Integrated Taxonomic Information System - Taxon Author Search Results


Publication: Nelson, Joseph S., Edwin J. Crossman, H. Espinosa-Pérez, L. T. Findley, C. R. Gilbert, et al., eds. 2004 Common and scientific names of fishes from the United States, Canada, and Mexico, Sixth Edition American Fisheries Society Special Publication, no. 29 ix + 386

ITIS records citing this publication
 
 Kingdom Animalia
  Ablennes hians (Valenciennes in Cuvier and Valenciennes, 1846) -- valid -- agujón sable, flat needlefish, sauro atlántico
  Aboma etheostoma Jordan and Starks in Jordan, 1895 -- valid -- gobio escamoso, scaly goby
  Abudefduf declivifrons (Gill, 1862) -- valid -- Mexican night sergeant, petaca mexicana
  Abudefduf saxatilis (Linnaeus, 1758) -- valid -- sergeant major, píntano, petaca rayada
  Abudefduf taurus (Müller and Troschel in Schomburgk, 1848) -- valid -- night sergeant, píntano toro, petaca toro
  Abudefduf troschelii (Gill, 1862) -- valid -- Pacific sergeant major, Panamic sergeant major, petaca banderita
  Acantharchus pomotis (Baird, 1855) -- valid -- Mud Sunfish
  Acanthemblemaria aspera (Longley, 1927) -- valid -- roughhead blenny
  Acanthemblemaria balanorum Brock, 1940 -- valid -- clubhead barnacle blenny, tubícola espinudo
  Acanthemblemaria chaplini Böhlke, 1957 -- valid -- papillose blenny, sapito papiloso
  Acanthemblemaria crockeri Beebe and Tee-Van, 1938 -- valid -- browncheek blenny, tubícola cachetón
  Acanthemblemaria greenfieldi Smith-Vaniz and Palacio, 1974 -- valid -- stalk blenny, tubícola palito
  Acanthemblemaria macrospilus Brock, 1940 -- valid -- barnacle blenny, barnacle blenny, Mexican barnacle blenny, tubícola mexicano
  Acanthemblemaria mangognatha Hastings and Robertson, 1999 -- valid -- Revillagigedo barnacle blenny, tubícola mango
  Acanthemblemaria spinosa Metzelaar, 1919 -- valid -- spinyhead blenny, sapito espinoso, spinyhead blenny, tubícola cabeza espinosa
  Acanthocybium solandri (Cuvier in Cuvier and Valenciennes, 1832) -- valid -- peto, wahoo, thazard-bâtard
  Acanthogobius flavimanus (Temminck and Schlegel, 1845) -- valid -- yellowfin goby, gobio extranjero
  Acantholumpenus mackayi (Gilbert, 1896) -- valid -- pighead prickleback, blackline prickleback
  Acanthostracion quadricornis (Linnaeus, 1758) -- valid -- torito común, torito cornudo, scrawled cowfish, Scrawled Cowfish
  Acanthuridae -- valid -- tangs, cirujanos, poissons-chirurgiens, surgeonfishes
  Acanthurus achilles Shaw, 1803 -- valid -- Achilles tang, redspot surgeonfish, redspot tang, redtail surgeonfish, cirujano encendido, Achilles Tang, cirujano encendido
  Acanthurus bahianus Castelnau, 1855 -- valid -- ocean surgeon, barbero, cirujano pardo
  Acanthurus chirurgus (Bloch, 1787) -- valid -- doctorfish, barbero rayado, cirujano rayado, Doctorfish
  Acanthurus coeruleus Bloch & Schneider, 1801 -- valid -- blue tang, barbero azul, Blue Tang, cirujano azul
  Acanthurus nigricans (Linnaeus, 1758) -- valid -- whitecheek surgeonfish, goldrim surgeonfish, cirujano cariblanco, Goldrim Surgeonfish
  Acanthurus triostegus (Linnaeus, 1758) -- valid -- convict tang, convictfish, convict surgeonfish, cirujano reo, Convict Surgeonfish
  Acanthurus xanthopterus Valenciennes in Cuvier & Valenciennes, 1835 -- valid -- yellowfin surgeonfish, cirujano aleta amarilla, Yellowfin Surgeonfish
  Acentronura dendritica (Barbour, 1905) -- valid -- pipehorse, prehensile-tailed pipefish, seahorse pipefish, caballito enano, caballito pipa
  Achiridae -- valid -- American soles, lenguados suelas, soles américaines, scrawled soles
  Achirus klunzingeri (Steindachner, 1880) -- valid -- brown sole, suela plomiza, Brown Sole
  Achirus lineatus (Linnaeus, 1758) -- valid -- lined sole, acedía rayada, suela listada, Lined Sole
  Achirus mazatlanus (Steindachner, 1869) -- valid -- Mexican sole, Pacific lined sole, tepalcate, Pacific Lined Sole
  Achirus scutum (Günther, 1862) -- valid -- comal, network sole, Network Sole
  Achirus zebrinus Clark, 1936 -- valid -- suela cebra, Tehuantepec sole, Tehuantepec Sole
  Acipenser brevirostrum Lesueur, 1818 -- valid -- shortnose sturgeon
  Acipenser fulvescens Rafinesque, 1817 -- valid -- lake sturgeon, esturgeon jaune
  Acipenser medirostris Ayres, 1854 -- valid -- green sturgeon, esturión verde
  Acipenser oxyrinchus Mitchill, 1815 -- valid -- Gulf sturgeon, esturión del Atlántico, esturgeon noir, Atlantic sturgeon
  Acipenser transmontanus Richardson, 1836 -- valid -- esturión blanco, white sturgeon
  Acipenseridae -- valid -- sturgeons, esturgeons, esturiones
  Acrocheilus alutaceus Agassiz and Pickering in Agassiz, 1855 -- invalid -- chiselmouth
  Acropomatidae -- valid -- temperate ocean-basses, farolitos, macondes, lanternbellies
  Actinopterygii -- valid -- ray-finned fishes, spiny rayed fishes, poisson épineux, poissons à nageoires rayonnées
  Acyrtops amplicirrus Briggs, 1955 -- valid -- chupapiedra nariz crestada, flarenostril clingfish
  Acyrtops beryllinus (Hildebrand and Ginsburg, 1926) -- valid -- pequita esmerilada, emerald clingfish
  Acyrtus artius Briggs, 1955 -- valid -- papillate clingfish, pequita gusarapo, chupapiedra papilosa
  Acyrtus rubiginosus (Poey, 1868) -- valid -- pequita roja, red clingfish, chupapiedra roja
  Adinia xenica (Jordan and Gilbert, 1882) -- valid -- diamond killifish
  Aetobatus narinari (Euphrasen, 1790) -- valid -- chucho pintado, spotted eagle ray, bonnetray, obispo
  Agonidae -- valid -- alligatorfishes, poachers, sea poachers, bandidos, poissons-alligators
  Agonopsis sterletus (Gilbert in Jordan and Evermann, 1898) -- valid -- southern spearnose poacher, bandido narigón
  Agonopsis vulsa (Jordan and Gilbert, 1880) -- valid -- northern spearnose poacher
  Agonostomus monticola (Bancroft in Griffith and Smith, 1834) -- valid -- mountain mullet, dajao, trucha de tierra caliente
  Agosia chrysogaster Girard, 1856 -- valid -- Longfin Dace, pupo panzaverde
  Ahlia egmontis (Jordan, 1884) -- valid -- key worm eel, safío de llave, tieso de cayo
  Albatrossia pectoralis (Gilbert, 1892) -- valid -- giant grenadier, giant rattail
  Albula nemoptera (Fowler, 1911) -- valid -- shafted bonefish, macabí de hebra
  Albula vulpes (Linnaeus, 1758) -- valid -- bonefish, macabí
  Albulidae -- valid -- bananafishes, bonefishes, ladyfishes, bananes de mer, macabíes
  Albuliformes -- valid
  Alectis ciliaris (Bloch, 1787) -- valid -- African pompano, threadfin, flechudo, pámpano de hebra
  Alectrias alectrolophus (Pallas, 1814) -- valid -- stone cockscomb
  Alectridium aurantiacum Gilbert and Burke, 1912 -- valid -- lesser prickleback
  Alepisauridae -- valid -- lancetfishes, lanzones, cavalos
  Alepisaurus brevirostris Gibbs, 1960 -- valid -- shortnose lancetfish
  Alepisaurus ferox Lowe, 1833 -- valid -- longnose lancetfish, conejo de lo alto, lanzón picudo
  Algansea aphanea Barbour and Miller, 1978 -- valid -- Riffle Chub, pupo del Ayutla
  Algansea avia Barbour and Miller, 1978 -- valid -- Remote Chub, pupo de Tepic
  Algansea barbata Álvarez and Cortés, 1964 -- valid -- Lerma Chub, pupo del Lerma
  Algansea lacustris Steindachner in Therese von Bayern and Steindachner, 1895 -- valid -- Pátzcuaro Chub, acúmara
  Algansea monticola Barbour and Contreras-Balderas, 1968 -- valid -- Mountain Chub, pupo del Juchipila
  Algansea popoche (Jordan and Snyder, 1899) -- valid -- popocha, Popoche Chub
  Algansea tincella (Valenciennes in Cuvier and Valenciennes, 1844) -- valid -- Spottail Chub, pupo del Valle
  Alloclinus holderi (Lauderbach in Jordan and Starks, 1907) -- valid -- island kelpfish, trambollo isleño
  Allodontichthys hubbsi Miller and Uyeno, 1980 -- valid -- mexcalpique de Tuxpan, whitepatch splitfin
  Allodontichthys polylepis Rauchenberger, 1988 -- valid -- finescale splitfin, mexcalpique escamitas
  Allodontichthys tamazulae Turner, 1946 -- valid -- mexcalpique de Tamazula, peppered splitfin
  Allodontichthys zonistius (Hubbs, 1932) -- valid -- bandfin splitfin, mexcalpique de Colima
  Allolumpenus hypochromus Hubbs and Schultz, 1932 -- invalid -- Y-prickleback
  Alloophorus robustus (Bean, 1892) -- valid -- bulldog goodeid, chegua
  Allosmerus elongatus (Ayres, 1854) -- valid -- whitebait smelt
  Allothunnus fallai Serventy, 1948 -- valid -- slender tuna, atún lanzón, thon élégante
  Allotoca catarinae (de Buen, 1942) -- valid -- Catarina allotoca, tiro Catarina
  Allotoca diazi (Meek, 1902) -- valid -- chorumo, Patzcuaro allotoca
  Allotoca dugesii (Bean, 1887) -- valid -- bumblebee allotoca, tiro chato
  Allotoca goslinei Smith and Miller, 1987 -- valid -- banded allotoca, tiro listado
  Allotoca maculata Smith and Miller, 1980 -- valid -- blackspot allotoca, tiro manchado
  Allotoca meeki (Alvarez, 1959) -- valid -- tiro de Zirahuén, Zirahuen allotoca
  Allotoca zacapuensis Meyer, Radda and Domínguez, 2001 -- valid -- tiro de Zacapu, Zacapu allotoca
  Alopias pelagicus Nakamura, 1935 -- valid -- pelagic thresher shark, zorro pelágico, pelagic thresher
  Alopias superciliosus (Lowe, 1841) -- valid -- bigeye thresher, tiburón zorro ojón, zorro ojón
  Alopias vulpinus (Bonnaterre, 1788) -- valid -- thresher shark, tiburón zorro común, zorro, renard marin
  Alopiidae Bonaparte, 1838 -- valid -- thresher sharks, requins-renards, tiburones zorro
  Alosa aestivalis (Mitchill, 1814) -- valid -- blueback herring, alose d'été, blueback shad
  Alosa alabamae Jordan and Evermann in Evermann, 1896 -- valid -- Alabama shad, Gulf shad, Ohio shad
  Alosa chrysochloris (Rafinesque, 1820) -- valid -- skipjack herring, skipjack shad, blue herring, green herring, golden shad, river herring, skipjack
  Alosa mediocris (Mitchill, 1814) -- valid -- hickory shad, hickory jack, shad herring, freshwater taylor, fall herring, bonejack
  Alosa pseudoharengus (Wilson, 1811) -- valid -- alewife, kyak, gaspareau, bigeye herring, branch herring, freshwater herring, gray herring, white herring, sawbelly, grayback
  Alosa sapidissima (Wilson, 1811) -- valid -- alose savoureuse, sábalo americano, American shad, Atlantic shad, common shad, white shad
  Alphestes afer (Bloch, 1793) -- valid -- guaseta, mutton hamlet
  Alphestes immaculatus Breder, 1936 -- valid -- guaseta del Pacífico, Pacific mutton hamlet
  Alphestes multiguttatus (Günther, 1867) -- valid -- guaseta rayada, rivulated mutton hamlet
  Aluterus heudelotii Hollard, 1855 -- valid -- dotterel filefish, lija jaspeada, Dotterel Filefish
  Aluterus monoceros (Linnaeus, 1758) -- valid -- unicorn filefish, lija barbuda, Unicorn Filefish
  Aluterus schoepfii (Walbaum, 1792) -- valid -- lija anaranjada, orange filefish, lija naranja, orange filefish, Orange Filefish
  Aluterus scriptus (Osbeck, 1765) -- valid -- scrawled filefish, lija trompa, unicornfish, Scrawled Filefish
  Ambloplites ariommus Viosca, 1936 -- valid -- Shadow Bass
  Ambloplites cavifrons Cope, 1868 -- valid -- Roanoke Bass
  Ambloplites constellatus Cashner and Suttkus, 1977 -- valid -- Ozark Bass
  Ambloplites rupestris (Rafinesque, 1817) -- valid -- Rock Bass, crapet de roche, lobina de roca
  Amblycirrhitus pinos (Mowbray in Breder, 1927) -- valid -- redspotted hawkfish, rayadito, halcón rayadito
  Amblyopsidae Bonaparte, 1846 -- valid -- cave fishes, amblyopes, peces cavernícolas, cavefishes
  Amblyopsis rosae (Eigenmann, 1898) -- valid -- Ozark cavefish
  Amblyopsis spelaea DeKay, 1842 -- valid -- northern cavefish
  Amblyraja radiata (Donovan, 1808) -- valid -- raie épineuse, starry skate, thorny skate
  Ameca splendens Miller and Fitzsimons, 1971 -- valid -- butterfly splitfin, mexcalpique mariposa
  Ameiurus brunneus Jordan, 1877 -- valid -- Snail Bullhead
  Ameiurus catus (Linnaeus, 1758) -- valid -- White Catfish, white bullhead
  Ameiurus melas (Rafinesque, 1820) -- valid -- barbotte noire, Black Bullhead, bagre torito negro
  Ameiurus natalis (Lesueur, 1819) -- valid -- Yellow Bullhead, bagre torito amarillo, barbotte jaune
  Ameiurus nebulosus (Lesueur, 1819) -- valid -- Brown Bullhead, barbotte brune
  Ameiurus platycephalus (Girard, 1859) -- valid -- Flat Bullhead
  Ameiurus serracanthus (Yerger and Relyea, 1968) -- valid -- Spotted Bullhead
  Amia calva Linnaeus, 1766 -- valid -- bowfin, poisson-castor
  Amiidae -- valid -- bowfins, amias, poissons-castors, bowfin
  Ammocrypta beanii Jordan, 1877 -- valid -- Naked Sand Darter
  Ammocrypta bifascia Williams, 1975 -- valid -- Florida Sand Darter
  Ammocrypta clara Jordan and Meek, 1885 -- valid -- Western Sand Darter
  Ammocrypta pellucida (Putnam, 1863) -- valid -- Eastern Sand Darter, dard de sable
  Ammocrypta vivax Hay, 1882 -- valid -- Scaly Sand Darter
  Ammodytes americanus DeKay, 1842 -- valid -- American sand lance, inshore sand lance, lance, sand eel, lançon d'Amérique
  Ammodytes dubius Reinhardt, 1837 -- valid -- northern sand lance, offshore sand lance, sand eel, lançon du nord
  Ammodytes hexapterus Pallas, 1814 -- valid -- Pacific sand lance
  Ammodytidae -- valid -- lançons, peones, sand lances
  Ammodytoides gilli (Bean, 1895) -- valid -- Panamic sand lance, peón panámico
  Amphistichus argenteus Agassiz, 1854 -- valid -- barred surfperch, mojarra de bandas
  Amphistichus koelzi (Hubbs, 1933) -- valid -- calico surfperch, mojarra angaripola
  Amphistichus rhodoterus (Agassiz, 1854) -- valid -- redtail surfperch
  Anablepidae Garman, 1895 -- valid -- cuatrojos, four-eyed fishes, poissons à quatre yeux, four-eyes, anablepids
  Anarchias galapagensis (Seale, 1940) -- valid -- hardtail moray, morena cola dura
  Anarchias similis (Lea, 1913) -- valid -- pygmy moray, morena pigmea, morena enana
  Anarchopterus criniger (Bean and Dresel, 1884) -- valid -- fringed pipefish, pez pipa orlado
  Anarchopterus tectus (Dawson, 1978) -- valid -- insular pipefish, pez pipa isleño
  Anarhichadidae Bonaparte, 1846 -- valid -- wolffishes, peces lobo, poissons-loups
  Anarhichas denticulatus Krøyer, 1845 -- valid -- northern wolffish
  Anarhichas lupus Linnaeus, 1758 -- valid -- Atlantic wolffish, loup atlantique
  Anarhichas minor Olafsen, 1772 -- valid -- spotted wolffish, loup tacheté
  Anarhichas orientalis Pallas, 1814 -- valid -- Bering wolffish
  Anarrhichthys ocellatus Ayres, 1855 -- valid -- northern wolffish, wolf-eel
  Anchoa analis (Miller, 1945) -- valid -- longfin Pacific anchovy, anchoa aletona del Pacífico
  Anchoa argentivittata (Regan, 1904) -- valid -- Regan's anchovy, silverstripe anchovy, anchoa plateada
  Anchoa belizensis (Thomerson and Greenfield, 1975) -- valid -- anchoa beliceña, Belize anchovy
  Anchoa cayorum (Fowler, 1906) -- valid -- manjúa de los cayos, key anchovy, anchoa de cayo
  Anchoa colonensis Hildebrand, 1943 -- valid -- narrow-striped anchovy, narrowstriped anchovy, anchoa rayita, Carribean anchovy
  Anchoa compressa (Girard, 1858) -- valid -- deepbody anchovy, anchoa alta
  Anchoa cubana (Poey, 1868) -- valid -- manjúa cubana, anchoa cubana, Cuban anchovy
  Anchoa curta (Jordan and Gilbert, 1882) -- valid -- anchoa chaparra, short anchovy
  Anchoa delicatissima (Girard, 1854) -- valid -- slough anchovy, anchoa delicada
  Anchoa exigua (Jordan and Gilbert, 1882) -- valid -- slender anchovy, anchoa fina
  Anchoa helleri (Hubbs, 1921) -- valid -- Heller's anchovy, Gulf anchovy, anchoa del Golfo
  Anchoa hepsetus (Linnaeus, 1758) -- valid -- striped anchovy, manjúa listada, anchoa legítima, broad-striped anchovy
  Anchoa ischana (Jordan and Gilbert, 1882) -- valid -- sharpnose anchovy, anchoa chicotera, slender anchovy
  Anchoa lamprotaenia Hildebrand, 1943 -- valid -- bigeye anchovy, manjúa ojuda, big-eye anchovy, longnose anchovy, anchoa ojuda
  Anchoa lucida (Jordan and Gilbert, 1882) -- valid -- bright anchovy, anchoa ojitos
  Anchoa lyolepis (Evermann and Marsh, 1900) -- valid -- dusky anchovy, manjúa mulata, anchoa mulata, shortfinger anchovy
  Anchoa mitchilli (Valenciennes in Cuvier and Valenciennes, 1848) -- valid -- bay anchovy, anchoa de caleta
  Anchoa mundeola (Gilbert and Pierson in Jordan and Evermann, 1898) -- valid -- false Panama anchovy, anchoa panameña falsa
  Anchoa mundeoloides (Breder, 1928) -- valid -- northern Gulf anchovy, anchoa golfina
  Anchoa nasus (Kner and Steindachner, 1867) -- valid -- anchoa trompuda, longnose anchovy, bignose anchovy
  Anchoa parva (Meek and Hildebrand, 1923) -- valid -- manjúa parva, anchoa parva, little anchovy
  Anchoa scofieldi (Jordan and Culver in Jordan, 1895) -- valid -- anchoa amarilla, yellow anchovy, Scofield's anchovy
  Anchoa walkeri Baldwin and Chang, 1970 -- valid -- persistent anchovy, anchoa persistente, Walker's anchovy
  Anchovia clupeoides (Swainson, 1839) -- valid -- hachudo, anchoveta sardina, zabaleta anchovy
  Anchovia macrolepidota (Kner, 1863) -- valid -- anchoveta escamuda, bigscale anchovy
  Anchoviella perfasciata (Poey, 1860) -- valid -- flat anchovy, manjúa chata, anchoa chata, Poey's anchovy
  Ancylopsetta dendritica Gilbert, 1890 -- valid -- lenguado tresojos, threespot sand flounder, Threespot Sand Flounder
  Ancylopsetta dilecta (Goode & Bean, 1883) -- valid -- three-eye flounder, lenguado tres manchas, Three-eye Flounder
  Ancylopsetta quadrocellata Gill, 1864 -- invalid -- ocellated flounder, lenguado cuatro manchas, Ocellated Flounder
  Anguilla rostrata (Lesueur, 1817) -- valid -- American eel, anguila, anguila americana, anguille d'Amérique
  Anguillidae -- valid -- freshwater eels, anguilas de río, anguilles d'eau douce
  Anguilliformes -- valid -- eels, anguilles
  Anisarchus medius (Reinhardt, 1837) -- valid -- stout eelblenny
  Anisotremus caesius (Jordan and Gilbert, 1882) -- valid -- burro mojarro, silvergray grunt
  Anisotremus davidsonii (Steindachner, 1876) -- valid -- sargo rayado, sargo
  Anisotremus dovii (Günther, 1864) -- valid -- blackbarred grunt, burro rompepaila
  Anisotremus interruptus (Gill, 1862) -- valid -- burrito grunt, burro bacoco
  Anisotremus pacifici (Günther, 1864) -- valid -- burro carruco, carruco grunt
  Anisotremus surinamensis (Bloch, 1791) -- valid -- black margate, pompón, burriquete
  Anisotremus taeniatus Gill, 1861 -- valid -- catalina, burro bandera, Panamic porkfish
  Anisotremus virginicus (Linnaeus, 1758) -- valid -- catalineta, porkfish, burro payaso
  Anomalopidae -- valid -- laterneye fishes, flashlightfishes, ojos de linterna, poissons-phares, flashlight fishes
  Anoplagonus inermis (Günther, 1860) -- valid -- smooth alligatorfish
  Anoplarchus insignis Gilbert and Burke, 1912 -- valid -- slender cockscomb
  Anoplarchus purpurescens Gill, 1861 -- valid -- high cockscomb
  Anoplopoma fimbria (Pallas, 1814) -- valid -- sablefish, bacalao negro
  Anoplopomatidae -- valid -- sablefishes, bacalaos negros, morues noires
  Anotopteridae -- invalid -- daggertooths, dagas, pharaons, daggertooth
  Anotopterus nikparini Kukuev, 1998 -- valid -- North Pacific daggertooth, daga
  Anotopterus pharao Zugmayer, 1911 -- valid -- daggertooth
  Antennariidae -- valid -- frogfishes, sea mice, antennaires, ranisapos, anglerfishes
  Antennarius avalonis Jordan and Starks, 1907 -- valid -- roughjaw frogfish, ranisapo antenado
  Antennarius multiocellatus (Valenciennes in Cuvier and Valenciennes, 1837) -- valid -- longlure frogfish, pescador caña larga, ranisapo ceboso
  Antennarius ocellatus (Bloch and Schneider, 1801) -- valid -- ocellated frogfish, pescador ocelado, ranisapo pescador
  Antennarius pauciradiatus Schultz, 1957 -- valid -- dwarf frogfish, dwarfed frogfish, ranisapo enano
  Antennarius radiosus Garman, 1896 -- valid -- singlespot frogfish, big-eyed frogfish, ranisapo uniocelado
  Antennarius sanguineus Gill, 1863 -- valid -- bloody frogfish, sanguine frogfish, ranisapo sangrón
  Antennarius striatus (Shaw in Shaw and Nodder, 1794) -- valid -- striated frogfish, pescador, ranisapo estriado
  Antennatus strigatus (Gill, 1863) -- valid -- bandtail frogfish, ranisapo rabo listado
  Anthias nicholsi Firth, 1933 -- valid -- yellowfin bass, mero aleta amarilla
  Anthias tenuis Nichols, 1920 -- valid -- threadnose bass, mero naricita
  Anthias woodsi Anderson and Heemstra, 1980 -- valid -- swallowtail bass
  Antigonia capros Lowe, 1843 -- valid -- deepbody boarfish, verraco alto, elevado
  Antigonia combatia Berry and Rathjen, 1959 -- valid -- shortspine boarfish, pez pecarí
  Antimora microlepis Bean, 1890 -- valid -- Pacific flatnose, mora viola, finescale antimora, finescale codling
  Apeltes quadracus (Mitchill, 1815) -- valid -- fourspine stickleback, bloody stickleback, épinoche à quatre épines
  Aphredoderidae Bonaparte, 1846 -- valid -- pirate perches, percas pirata, perches-pirates
  Aphredoderus sayanus (Gilliams, 1824) -- valid -- pirate perch
  Aplatophis chauliodus Böhlke, 1956 -- valid -- tusky eel
  Aplocheilidae Bleeker, 1860 -- valid -- rivulines, egg-laying toothcarps, almirantes, aplochéilidés
  Aplodinotus grunniens Rafinesque, 1819 -- valid -- freshwater drum, roncador de agua dulce, malachigan
  Apodichthys flavidus Girard, 1854 -- valid -- penpoint gunnel
  Apodichthys fucorum Jordan and Gilbert, 1880 -- valid -- rockweed gunnel, espinoso de marea zacatero
  Apogon affinis (Poey, 1875) -- valid -- bigtooth cardinalfish, cardenal dentudo, cardenal dientón
  Apogon atricaudus Jordan and McGregor in Jordan and Evermann, 1898 -- valid -- cardenal sencillo, plain cardinalfish
  Apogon aurolineatus (Mowbray in Breder, 1927) -- valid -- bridle cardinalfish, cardenal frenado
  Apogon binotatus (Poey, 1867) -- valid -- barred cardinalfish, cardenal barreado, cardenal rayado
  Apogon dovii Günther, 1861 -- valid -- cardenal colimanchada, tailspot cardinalfish
  Apogon evermanni Jordan and Snyder, 1904 -- valid -- oddscaled cardinalfish, cardenal coralero, oddscale cardinalfish
  Apogon gouldi Smith-Vaniz, 1977 -- valid -- cardenal de lo alto, deepwater cardinalfish
  Apogon guadalupensis (Osburn and Nichols, 1916) -- valid -- cardenal mexicano, Guadalupe cardinalfish, Guadaloupe cardinalfish
  Apogon lachneri Böhlke, 1959 -- valid -- whitestar cardinalfish, cardenal estrella blanca
  Apogon leptocaulus Gilbert, 1972 -- valid -- slendertail cardinalfish
  Apogon maculatus (Poey, 1860) -- valid -- flamefish, cardenal manchado, saddletailed cardinalfish
  Apogon pacificus (Herre, 1935) -- valid -- cardenal morro listado, pink cardinalfish
  Apogon phenax Böhlke and Randall, 1968 -- valid -- mimic cardinalfish, cardenal mimético
  Apogon pillionatus Böhlke and Randall, 1968 -- valid -- broadsaddle cardinalfish, cardenal colirrayada
  Apogon planifrons Longley and Hildebrand, 1940 -- valid -- pale cardinalfish, cardenal pálido
  Apogon pseudomaculatus Longley, 1932 -- valid -- twospot cardinalfish, cardenal de dos puntos, cardenal dos puntos
  Apogon quadrisquamatus Longley, 1934 -- valid -- sawcheek cardinalfish, cardenal espinoso
  Apogon retrosella (Gill, 1862) -- valid -- Cortez cardinalfish, barspot cardinalfish, cardenal de Cortés
  Apogon townsendi (Breder, 1927) -- valid -- belted cardinalfish, cardenal con cinto, cardenal cincho
  Apogonidae -- valid -- cardinalfishes, apogonidés, cardenales, poissons-cardinaux
  Apristurus brunneus (Gilbert, 1892) -- valid -- pejegato marrón, brown cat shark
  Aprognathodon platyventris Böhlke, 1967 -- valid -- stripe eel
  Apsilus dentatus Guichenot, 1853 -- valid -- arnillo, pargo lamparita, Black Snapper, vivaneau noir, pargo mulato
  Apterichtus ansp (Böhlke, 1968) -- valid -- academy eel
  Apterichtus equatorialis (Myers and Wade, 1941) -- valid -- equatorial eel, tieso ecuatorial
  Apterichtus kendalli (Gilbert, 1891) -- valid -- finless eel
  Aptocyclus ventricosus (Pallas, 1769) -- valid -- smooth lumpsucker
  Archistes biseriatus (Gilbert and Burke, 1912) -- valid -- scaled sculpin
  Archoplites interruptus (Girard, 1854) -- valid -- Sacramento Perch
  Archosargus probatocephalus (Walbaum, 1792) -- valid -- sheepshead, sargo chopa
  Archosargus rhomboidalis (Linnaeus, 1758) -- valid -- sea bream, salema, sargo amarillo
  Arcos erythrops (Jordan and Gilbert, 1882) -- valid -- chupapiedra de cantil, rockwall clingfish
  Arcos macrophthalmus (Günther, 1861) -- valid -- padded clingfish, chupapiedra acojinada
  Arctogadus borisovi Dryagin, 1932 -- valid -- toothed cod, east Siberian cod
  Arctogadus glacialis (Peters, 1872) -- valid -- polar cod, Arctic cod
  Arctoscopus japonicus (Steindachner, 1881) -- valid -- sailfin sandfish
  Arctozenus risso (Bonaparte, 1840) -- valid -- white barracudina, lussion blanc
  Argentina sialis Gilbert, 1890 -- valid -- argentina del Pacífico, Pacific argentine
  Argentina silus (Ascanius, 1775) -- valid -- Atlantic argentine, grande argentine
  Argentina striata Goode and Bean, 1896 -- valid -- striated argentine, argentina estriada, argentina
  Argentinidae -- valid -- herring smelts, argentinas, argentines, argentines
  Ariidae Bleeker, 1862 -- valid -- sea catfishes, fork-tailed catfishes, poissons-chats marins, bagres marinos
  Ariomma bondi Fowler, 1930 -- valid -- pastorcillo lucia, silver-rag, pastorcillo lucía
  Ariomma melanum (Ginsburg, 1954) -- valid -- brown driftfish, pastorcillo café
  Ariomma regulus (Poey, 1868) -- valid -- pastorcillo aquillado, spotted driftfish
  Ariommatidae -- valid -- ariommatids, pastorcillos, poissons pailletés
  Ariopsis assimilis (Günther, 1864) -- valid -- Maya sea catfish, bagre maya
  Ariopsis dasycephalus (Günther, 1864) -- invalid -- bigbelly sea catfish, bagre barrigón
  Ariopsis felis (Linnaeus, 1766) -- valid -- hardhead catfish, bagre boca chica
  Ariopsis guatemalensis (Günther, 1864) -- valid -- widehead sea catfish, bagre cuatete
  Ariopsis kessleri (Steindachner, 1877) -- invalid -- sculptured sea catfish, bagre esculpido
  Ariopsis planiceps (Steindachner, 1877) -- invalid -- flathead sea catfish, bagre cabeza chata
  Ariopsis platypogon (Günther, 1864) -- invalid -- cominate sea catfish, bagre cominate
  Ariopsis seemanni (Günther, 1864) -- valid -- tete sea catfish, bagre tete
  Ariosoma anale (Poey, 1860) -- valid -- longtrunk conger, congrio estirado
  Ariosoma balearicum (Delaroche, 1809) -- valid -- bandtooth conger, congrio algino, congrio balear
  Ariosoma gilberti (Ogilby, 1898) -- valid -- sharpnose conger, congrio narigón
  Arothron hispidus (Linnaeus, 1758) -- valid -- poison puffer, botete panza rayada, stripebelly puffer, Stripebelly Puffer
  Arothron meleagris (Anonymous, 1798) -- valid -- botete aletas punteadas, guineafowl puffer, 'opu hue, Guineafowl Puffer
  Artediellus atlanticus Jordan and Evermann, 1898 -- valid -- Atlantic hookear sculpin, hameçon atlantique
  Artediellus gomojunovi Taranetz, 1933 -- valid -- Gomojunov's hookear sculpin, spinyhook sculpin
  Artediellus ochotensis Gilbert and Burke, 1912 -- valid -- Okhotsk hookear sculpin
  Artediellus pacificus Gilbert, 1896 -- valid -- hookhorned sculpin, hookhorn sculpin
  Artediellus scaber Knipowitsch, 1907 -- valid -- hamecon, rough hookear sculpin
  Artediellus uncinatus (Reinhardt, 1834) -- valid -- Arctic hookear sculpin, hameçon neigeux
  Artedius corallinus (Hubbs, 1926) -- valid -- coralline sculpin, charrasco coralino
  Artedius fenestralis Jordan and Gilbert, 1883 -- valid -- padded sculpin
  Artedius harringtoni (Starks, 1896) -- valid -- scalyhead sculpin
  Artedius lateralis (Girard, 1854) -- valid -- smoothhead sculpin, charrasco cabeza lisa
  Artedius notospilotus Girard, 1856 -- valid -- bonehead sculpin, bonyhead sculpin, charrasco huesudo
  Aruma histrio (Jordan, 1884) -- valid -- gobio lento, slow goby
  Ascelichthys rhodorus Jordan and Gilbert, 1880 -- valid -- rosylip sculpin
  Asemichthys taylori Gilbert, 1912 -- valid -- spinynose sculpin
  Aseraggodes herrei Seale, 1940 -- valid -- reticulated sole, sol reticulado, Reticulated Sole
  Aspidophoroides monopterygius (Bloch, 1786) -- valid -- alligatorfish, poisson-alligator atlantique
  Aspistor kessleri (Steindachner, 1877) -- valid -- bagre esculpido, sculptured sea catfish
  Aspistor planiceps (Steindachner, 1877) -- valid -- flathead sea catfish, bagre cabeza chata
  Aspistor platypogon (Günther, 1864) -- valid -- cominate sea catfish, bagre cominate
  Assurger anzac (Alexander, 1917) -- valid -- razorback scabbardfish, sable aserrado
  Astrapogon alutus (Jordan and Gilbert, 1882) -- valid -- bronze cardinalfish, cardenal bronceado
  Astrapogon puncticulatus (Poey, 1867) -- valid -- blackfin cardinalfish, cardenal punteado
  Astrapogon stellatus (Cope, 1867) -- valid -- conchfish, cardenal del cobo
  Astronotus ocellatus (Agassiz in Spix and Agassiz, 1831) -- valid -- oscar
  Astroscopus guttatus Abbott, 1860 -- valid -- northern stargazer
  Astroscopus y-graecum (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- southern stargazer, miracielo del sureste
  Astroscopus zephyreus Gilbert and Starks in Gilbert, 1897 -- valid -- miracielo perro, Pacific stargazer
  Astyanax armandoi Lozano-Vilano and Contreras-Balderas, 1990 -- valid -- Penjamo tetra, sardinita de Pénjamo
  Astyanax mexicanus (De Filippi, 1853) -- valid -- sardinita mexicana, Mexican tetra
  Ataeniobius toweri (Meek, 1904) -- valid -- bluetail goodea, striped goodea, bluetail splitfin, mexcalpique cola azul
  Atheresthes evermanni Jordan & Starks, 1904 -- valid -- Kamchatka flounder, Kamchatka Flounder
  Atheresthes stomias (Jordan & Gilbert, 1880) -- valid -- arrowtooth flounder, Arrowtooth Flounder, plie à grande bouche
  Atherinella alvarezi (Diaz-Pardo, 1972) -- valid -- Gulf silverside, plateadito de Tacotalpa
  Atherinella ammophila Chernoff and Miller, 1984 -- valid -- La Palma silverside, plateadito de La Palma
  Atherinella balsana (Meek, 1902) -- valid -- Balsas silverside, plateadito del Balsas
  Atherinella callida Chernoff, 1986 -- valid -- cunning silverside, plateadito del Refugio
  Atherinella crystallina (Jordan and Culver in Jordan, 1895) -- valid -- blackfin silverside, plateadito del Presidio
  Atherinella elegans Chernoff, 1986 -- valid -- Fuerte silverside, plateadito del Fuerte
  Atherinella eriarcha Jordan and Gilbert, 1882 -- valid -- longfin silverside, plateadito plateado
  Atherinella guatemalensis (Günther, 1864) -- valid -- peppered silverside, plateadito de Huamuchal
  Atherinella lisa (Meek, 1904) -- valid -- naked silverside, plateadito del Hule
  Atherinella marvelae (Chernoff and Miller, 1982) -- valid -- Eyipantla silverside, plateadito de Eyipantla
  Atherinella nepenthe (Myers and Wade, 1942) -- valid -- pitcher silverside, plateadito marino
  Atherinella sallei (Regan, 1903) -- valid -- large-eye silverside, plateadito del Papaloapan
  Atherinella schultzi (Alvarez and Carranza, 1952) -- valid -- Chimalapa silverside, plateadito de Chimalapa
  Atherinidae -- valid -- silversides, athérines, Old World silversides, tinícalos
  Atherinomorus stipes (Müller and Troschel in Schomburgk, 1848) -- valid -- hardhead silverside, tinícalo cabezón, cabezote
  Atherinops affinis (Ayres, 1860) -- valid -- topsmelt, pejerrey pescadillo
  Atherinopsidae -- valid -- charales y pejerreyes, New World silversides, poissons d'argent
  Atherinopsis californiensis Girard, 1854 -- valid -- jacksmelt, pejerrey mocho
  Atractoscion nobilis (Ayres, 1860) -- valid -- white seabass, corvina cabaicucho
  Atractosteus spatula (Lacepède, 1803) -- valid -- alligator gar, catán
  Atractosteus tropicus Gill, 1863 -- valid -- pejelagarto, tropical gar
  Aulopidae -- valid -- flagfins, aulópidos, limberts
  Aulopiformes -- valid -- salmons, aulopiforms
  Aulopus bajacali Parin and Kotlyar, 1984 -- valid -- eastern Pacific flagfin, lagarto del Pacífico oriental
  Aulopus filamentosus (Bloch, 1792) -- valid -- aulopus amarillento, yellowfin aulopus
  Aulorhynchidae -- valid -- tube-snouts, tubenoses, trompes, trompudos, tubesnouts
  Aulorhynchus flavidus Gill, 1861 -- valid -- tube-snout, trompudo sargacero, tubesnout
  Aulostomidae -- valid -- cornetfishes, trumpetfishes, trompetas, trompettes
  Aulostomus chinensis (Linnaeus, 1766) -- valid -- painted flute mouth, painted flute mouth, Chinese trumpetfish, trompeta china
  Aulostomus maculatus Valenciennes, 1837 -- valid -- trumpetfish, trompa, Atlantic trumpetfish, trompeta del Atlántico
  Auxis rochei (Risso, 1810) -- valid -- bullet mackerel, bonitou, bullet tuna, melvera, long corseletted frigate mackerel
  Auxis thazard (Lacepède, 1800) -- valid -- frigate mackerel, auxide, frigate tuna, melva
  Awaous banana (Valenciennes in Cuvier and Valenciennes, 1837) -- valid -- gobio de río, river goby, yellow river goby
  Axoclinus lucillae Fowler, 1944 -- valid -- Panamic triplefin, tres aletas bigote
  Axoclinus multicinctus Allen and Robertson, 1992 -- valid -- multibarred triplefin, tres aletas listado
  Axoclinus nigricaudus Allen and Robertson, 1991 -- valid -- Cortez triplefin, tres aletas colinegra
  Aztecula sallaei (Günther, 1868) -- valid -- Aztec Chub, carpita azteca
  Azurina hirundo Jordan and McGregor in Jordan and Evermann, 1898 -- valid -- castañuela golondrina, swallow damselfish
  Bagre marinus (Mitchill, 1815) -- valid -- gafftopsail catfish, bagre, bagre bandera
  Bagre panamensis (Gill, 1863) -- valid -- chihuil, bagre chihuil
  Bagre pinnimaculatus (Steindachner, 1877) -- valid -- long-barbeled sea catfish, bagre barbón
  Bairdiella armata Gill, 1863 -- valid -- armed croaker, ronco armado
  Bairdiella batabana (Poey, 1860) -- invalid -- blue croaker, ronco azul
  Bairdiella chrysoura (Lacepède, 1802) -- valid -- silver perch, ronco amarillo
  Bairdiella ensifera (Jordan and Gilbert, 1882) -- valid -- ronco barbirrubia, swordspine croaker
  Bairdiella icistia (Jordan and Gilbert, 1882) -- valid -- bairdiella, corbineta, ronco roncacho
  Bairdiella ronchus (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- ground drummer, peacock bass, ronco, corvina espinosa, ronco rayado, ground croaker
  Bairdiella sanctaeluciae (Jordan, 1890) -- invalid -- striped croaker, corvina Santa Lucía, ronco caribeño
  Balistes capriscus Gmelin, 1789 -- valid -- gray triggerfish, cochino gris, pejepuerco blanco, baliste capri, Gray Triggerfish
  Balistes polylepis Steindachner, 1876 -- valid -- finescale triggerfish, cochi, Finescale Triggerfish
  Balistes vetula Linnaeus, 1758 -- valid -- queen triggerfish, cochino, baliste royal, Queen Triggerfish
  Balistidae -- valid -- filefishes, triggerfishes, balistes, cochitos
  Barbulifer antennatus Böhlke and Robins, 1968 -- valid -- barbulifer, barbulifer, gobio antenado, whiskered goby
  Barbulifer ceuthoecus (Jordan and Gilbert, 1884) -- valid -- bearded goby
  Barbulifer mexicanus Hoese and Larson, 1985 -- valid -- gobio alambrón, saddlebanded goby
  Barbulifer pantherinus (Pellegrin, 1901) -- valid -- gobio pantera, panther goby
  Bascanichthys bascanium (Jordan, 1884) -- valid -- sooty eel, tieso tiznado
  Bascanichthys bascanoides Osburn and Nichols, 1916 -- valid -- sooty sand eel, tieso manchitas
  Bascanichthys panamensis Meek and Hildebrand, 1923 -- valid -- Panamic sand eel, tieso panámico
  Bascanichthys scuticaris (Goode and Bean, 1880) -- valid -- whip eel, safío pardo
  Bathyagonus alascanus (Gilbert, 1896) -- valid -- gray starsnout
  Bathyagonus infraspinatus (Gilbert, 1904) -- valid -- spinycheek starsnout
  Bathyagonus nigripinnis Gilbert, 1890 -- valid -- blackfin poacher
  Bathyagonus pentacanthus (Gilbert, 1890) -- valid -- bigeye poacher
  Bathyanthias mexicanus (Schultz, 1958) -- valid -- yellowtail bass, mero cola amarilla
  Bathycongrus bullisi (Smith and Kanazawa, 1977) -- valid -- bullish conger, congrio disparatado
  Bathycongrus dubius (Breder, 1927) -- valid -- dubious conger
  Bathycongrus macrurus (Gilbert, 1891) -- valid -- shorthead conger, congrio cabeza corta
  Bathycongrus varidens (Garman, 1899) -- valid -- largehead conger, congrio cabezón
  Bathycongrus vicinalis (Garman, 1899) -- valid -- neighbor conger, congrio vecino
  Bathygobius curacao (Metzelaar, 1919) -- valid -- notchtongue goby, gobio jaspeado
  Bathygobius mystacium Ginsburg, 1947 -- valid -- island frillfin, gobio bandeado
  Bathygobius ramosus Ginsburg, 1947 -- valid -- mapo panámico, Panamic frillfin
  Bathygobius soporator (Valenciennes in Cuvier and Valenciennes, 1837) -- valid -- frillfin goby, gobio mapo, mapo aguado
  Bathylagidae -- valid -- deep-sea smelts, capellanes mesopelágicos, deepsea smelts, garcettes
  Bathymaster caeruleofasciatus Gilbert and Burke, 1912 -- valid -- Alaskan ronquil
  Bathymaster leurolepis McPhail, 1965 -- valid -- smallmouth ronquil
  Bathymaster signatus Cope, 1873 -- valid -- searcher
  Bathymasteridae Jordan and Gilbert, 1883 -- valid -- ronquils, roncos pelones, ronquilles
  Bathyraja aleutica (Gilbert, 1896) -- valid -- Aleutian skate
  Bathyraja interrupta (Gill and Townsend, 1897) -- valid -- sandpaper skate, Bering skate
  Bathyraja lindbergi Ishiyama and Ishihara, 1977 -- valid -- Commander skate
  Bathyraja maculata Ishiyama and Ishihara, 1977 -- valid -- whiteblotched skate
  Bathyraja parmifera (Bean, 1881) -- valid -- Alaska skate
  Bathyraja spinicauda (Jensen, 1914) -- valid -- spinytail skate
  Bathyraja taranetzi (Dolganov, 1985) -- invalid -- mud skate
  Bathyraja violacea (Suvorov, 1935) -- valid -- Okhotsk skate
  Batrachoides gilberti Meek and Hildebrand, 1928 -- valid -- large-eye toadfish, sapo ojón
  Batrachoides goldmani Evermann and Goldsborough, 1902 -- valid -- Mexican freshwater toadfish, sapo mexicano
  Batrachoides waltersi Collette and Russo, 1981 -- valid -- multipored toadfish, sapo peludo
  Batrachoididae -- valid -- toadfishes, peces sapo, poissons-crapauds
  Batrachoidiformes -- valid -- batrachoidiforms
  Bellator brachychir (Regan, 1914) -- valid -- shortfin searobin, rubio aleticorta
  Bellator egretta (Goode and Bean, 1896) -- valid -- streamer searobin, rubio gallardete, espátula bandera
  Bellator gymnostethus (Gilbert, 1892) -- valid -- nakedbelly searobin, vaca enana
  Bellator loxias (Jordan in Gilbert, 1897) -- valid -- chevron searobin, vaca angelita
  Bellator militaris (Goode and Bean, 1896) -- valid -- horned searobin, rubio soldadito
  Bellator xenisma (Jordan and Bollman, 1890) -- valid -- splitnose searobin, vaca doble hocico
  Belonesox belizanus Kner, 1860 -- valid -- pike killifish, piketop minnow, picudito
  Belonidae -- valid -- needlefishes, agujones, aiguillettes
  Belontiidae Liem, 1963 -- invalid -- labyrinthfishes, gouramies, guramis, gouramies
  Bembrops anatirostris Ginsburg, 1955 -- valid -- duckbill flathead, longnose duckbill, pico de pato
  Bembrops gobioides (Goode, 1880) -- valid -- goby flathead, goby duckbill, pico de pala
  Benthalbella dentata (Chapman, 1939) -- valid -- northern pearleye, perlado norteño
  Benthodesmus pacificus Parin and Becker, 1970 -- valid -- cintilla del Pacífico, North Pacific frostfish
  Benthodesmus simonyi (Steindachner, 1891) -- valid -- cutlassfish, frostfish, cintilla del Atlántico, North Atlantic frostfish, Simony's frostfish
  Benthosema glaciale (Reinhardt, 1837) -- valid -- glacier lanterfish, glacier lanternfish, lanterne glaciaire
  Berycidae -- valid -- alfonsinos, berycids, alfonsinos, béryx
  Beryx decadactylus Cuvier in Cuvier and Valenciennes, 1829 -- valid -- broad alfonsino, red bream, alfonsino
  Blenniidae -- valid -- blennies, combtooth blennies, scaleless blennies, blennidés, blennies, gonelles, papillons de mer, blennies à dents de peigne, borrachos
  Blepsias bilobus Cuvier in Cuvier and Valenciennes, 1829 -- valid -- crested sculpin
  Blepsias cirrhosus (Pallas, 1814) -- valid -- silverspotted sculpin
  Bodianus diplotaenia (Gill, 1862) -- valid -- Pacific hogfish, Mexican hogfish, vieja mexicana
  Bodianus pulchellus (Poey, 1860) -- valid -- spotfin hogfish, pez perro de cola amarilla, vieja lomo negro
  Bodianus rufus (Linnaeus, 1758) -- valid -- Spanish hogfish, pez perro español, vieja española
  Bollmannia boqueronensis Evermann and Marsh, 1899 -- valid -- white-eye goby
  Bollmannia communis Ginsburg, 1942 -- valid -- ragged goby, gobio andrajoso
  Bollmannia eigenmanni (Garman, 1896) -- valid -- shelf goby
  Bollmannia macropoma Gilbert, 1892 -- valid -- frailscale goby, gobio pedernal
  Bollmannia marginalis Ginsburg, 1939 -- valid -- apostrophe goby, gobio sellado
  Bollmannia ocellata Gilbert, 1892 -- valid -- gobio penacho, pennant goby
  Bollmannia stigmatura Gilbert, 1892 -- valid -- gobio colimanchado, tailspot goby
  Bollmannia umbrosa Ginsburg, 1939 -- valid -- dusky goby, gobio prieto
  Boreogadus saida (Lepechin, 1774) -- valid -- Arctic cod, saïda franc, polar cod, saida franc
  Bothidae -- valid -- lefteyed flounders, lefteye flounders, lenguados chuecos, turbots
  Bothragonus swanii (Steindachner, 1876) -- valid -- rockhead
  Bothrocara brunneum (Bean, 1890) -- valid -- twoline eelpout, viruela dos rayas
  Bothrocara pusillum (Bean, 1890) -- valid -- Alaska eelpout
  Bothus constellatus (Jordan in Jordan & Goss, 1889) -- valid -- lenguado hoja, Pacific eyed flounder, Pacific Eyed Flounder
  Bothus leopardinus (Günther, 1862) -- valid -- lenguado leopardo del Pacífico, Pacific leopard flounder, Pacific Leopard Flounder
  Bothus lunatus (Linnaeus, 1758) -- valid -- peacock flounder, lenguado lunado, Peacock Flounder
  Bothus mancus (Broussonet, 1782) -- valid -- tropical flounder, lenguado tropical, Tropical Flounder
  Bothus ocellatus (Agassiz in Spix & Agassiz, 1831) -- valid -- eyed flounder, lenguado ocelado, chueco playón, Eyed Flounder, plie oculée
  Bothus robinsi Topp & Hoff, 1972 -- valid -- twospot flounder, chueco dos manchas, Twospot Flounder
  Brachyistius frenatus Gill, 1862 -- valid -- kelp perch, mojarra sargacera
  Brachyrhaphis hartwegi Rosen and Bailey, 1963 -- valid -- guayacón de Soconusco, Soconusco gambusia
  Brama brama (Bonnaterre, 1788) -- valid -- Atlantic pomfret, brama
  Brama caribbea Mead, 1972 -- valid -- Caribbean pomfret, tristón del Caribe
  Brama dussumieri Cuvier in Cuvier and Valenciennes, 1831 -- valid -- lowfin pomfret
  Brama japonica Hilgendorf, 1878 -- valid -- Pacific pomfret, tristón del Pacífico
  Brama orcini Cuvier in Cuvier and Valenciennes, 1831 -- valid -- bigtooth pomfret, tropical pomfret
  Bramidae -- valid -- pomfrets, castagnoles, tristones
  Bramocharax caballeroi Contreras-Balderas and Rivera-Teillery, 1985 -- valid -- Catemaco characin, pepesca de Catemaco
  Bregmaceros atlanticus Goode and Bean, 1886 -- valid -- antenna codlet, ciliado, bacalete antena
  Bregmaceros bathymaster Jordan and Bollman, 1890 -- valid -- East Pacific codlet, bacalete del Pacífico oriental
  Bregmaceros cantori Milliken and Houde, 1984 -- valid -- striped codlet, bacalete rayado
  Bregmaceros houdei Saksena and Richards, 1986 -- valid -- stellate codlet
  Bregmacerotidae Gill, 1872 -- valid -- bregmacerotid codfishes, codlets, varlets, bacaletes
  Brevoortia gunteri Hildebrand, 1948 -- valid -- finescale menhaden, sardina escamitas
  Brevoortia patronus Goode, 1878 -- valid -- sardina lacha, Gulf menhaden, largescale menhaden
  Brevoortia smithi Hildebrand, 1941 -- valid -- yellowfin menhaden
  Brevoortia tyrannus (Latrobe, 1802) -- valid -- menhaden, alose tyran, Atlantic menhaden, bugfish, bunker, fatback, mossbunker
  Brosme brosme (Ascanius, 1772) -- valid -- cusk, tusk, torsk, brosme
  Brosmophycis marginata (Ayres, 1854) -- valid -- red brotula, brótula roja
  Brotula barbata (Bloch and Schneider, 1801) -- valid -- bearded brotula, Atlantic bearded brotula, brótula barbona, brótula
  Brotula clarkae Hubbs, 1944 -- valid -- Pacific bearded brotula, lengua rosada
  Brotula ordwayi Hildebrand and Barton, 1949 -- valid -- fore-spotted brotula, lengua pintada
  Brycon guatemalensis Regan, 1908 -- valid -- macabi tetra, sardinita macabí
  Bryozoichthys lysimus (Jordan and Snyder, 1902) -- valid -- nutcracker prickleback
  Bryozoichthys marjorius McPhail, 1970 -- valid -- pearly prickleback
  Bryx dunckeri (Metzelaar, 1919) -- valid -- pugnose pipefish, trompetero nariz-corto, pez pipa ñato
  Bryx veleronis Herald, 1940 -- valid -- offshore pipefish, pez pipa velero
  Bythitidae -- valid -- viviparous brotulas, brotulas, donzelles vivipares, brótulas vivíparas
  Caelorinchus caelorhincus (Risso, 1810) -- valid -- saddled grenadier, hollowsnout grenadier, granadero tristón, grenadier acorazado, grenadier raton
  Caelorinchus caribbaeus (Goode and Bean, 1885) -- valid -- blackfin grenadier, granadero alinegro, granadero caribeño
  Caelorinchus scaphopsis (Gilbert, 1890) -- valid -- granadero carepala, shoulderspot grenadier
  Calamopteryx goslinei Böhlke and Cohen, 1966 -- valid -- brótula aletona, longarm brotula
  Calamopteryx robinsorum Cohen, 1973 -- valid -- teacher brotula, brótula del profesor
  Calamus arctifrons Goode and Bean, 1882 -- valid -- grass porgy
  Calamus bajonado (Bloch and Schneider, 1801) -- valid -- jolthead porgy, bajonao violáceo, pluma
  Calamus brachysomus (Lockington, 1880) -- valid -- Pacific porgy, pluma marotilla
  Calamus calamus (Valenciennes in Cuvier and Valenciennes, 1830) -- valid -- saucereye porgy, pez de pluma
  Calamus campechanus Randall and Caldwell, 1966 -- valid -- Campeche porgy, pluma campechana
  Calamus leucosteus Jordan and Gilbert in Jordan, 1885 -- valid -- whitebone porgy, pluma golfina
  Calamus nodosus Randall and Caldwell, 1966 -- valid -- knobbed porgy, mojarrón pecoso
  Calamus penna (Valenciennes in Cuvier and Valenciennes, 1830) -- valid -- sheepshead porgy, pez de pluma manchado, pluma manchada
  Calamus pennatula Guichenot, 1868 -- valid -- bajonao plateado, pluma, pluma del Caribe, pluma porgy
  Calamus proridens Jordan and Gilbert, 1884 -- valid -- littlehead porgy, pez de pluma rayado, pluma jorobada
  Callechelys bilinearis Kanazawa, 1952 -- valid -- twostripe snake eel, tieso dos rayas
  Callechelys cliffi Böhlke and Briggs, 1954 -- valid -- sandy ridgefin eel, tieso aquillado arenero
  Callechelys eristigma McCosker and Rosenblatt, 1972 -- valid -- spotted ridgefin eel, tieso aquillado manchado
  Callechelys guineensis (Osório, 1893) -- valid -- shorttail snake eel, tieso colicorta
  Callechelys muraena Jordan and Evermann, 1887 -- valid -- blotched snake eel, tieso moteado
  Callechelys springeri (Ginsburg, 1951) -- valid -- ridgefin eel
  Callichthyidae Bonaparte, 1838 -- valid -- callichthyid armored catfishes, mailed catfishes, armored catfishes, poissons-chats cuirassés, coridoras, plated catfishes
  Callionymidae -- valid -- dragonets, scotter blennies, dragoncillos, dragonnets
  Calotomus carolinus (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- stareyed parrotfish, pococho perico, stareye parrotfish
  Campostoma anomalum (Rafinesque, 1820) -- valid -- roule-caillou, Central Stoneroller, rodapiedras del centro
  Campostoma anomalum pullum (Agassiz, 1854) -- valid -- Central Stoneroller
  Campostoma oligolepis Hubbs and Greene, 1935 -- valid -- Largescale Stoneroller
  Campostoma ornatum Girard, 1856 -- valid -- Mexican Stoneroller, rodapiedras mexicano
  Campostoma pauciradii Burr and Cashner, 1983 -- valid -- Bluefin Stoneroller
  Cantherhines dumerilii (Hollard, 1854) -- valid -- barred filefish, lija vagabunda, Barred Filefish
  Cantherhines macrocerus (Hollard in Guichenot, 1853) -- valid -- whitespotted filefish, lija de lunares blancos, Whitespotted Filefish
  Cantherhines pullus (Ranzani, 1842) -- valid -- orangespotted filefish, lija colorada, Orangespotted Filefish
  Canthidermis maculata (Bloch, 1786) -- valid -- rough triggerfish, sobaco manchado, cochito manchado, Rough Triggerfish
  Canthidermis sufflamen (Mitchill, 1815) -- valid -- ocean triggerfish, lija, sobaco lija, Ocean Triggerfish
  Canthigaster jamestyleri Moura & Castro, 2002 -- valid -- goldface toby, Goldface Toby
  Canthigaster punctatissima (Günther, 1870) -- valid -- botete bonito, spotted sharpnose puffer, Spotted Sharpnose Puffer
  Canthigaster rostrata (Bloch, 1786) -- valid -- sharpnose puffer, tamboril narizón, tamborín narizón, Sharpnose Puffer
  Caproidae -- valid -- boarfishes, cuckoos, sangliers, verracos
  Caralophia loxochila Böhlke, 1955 -- valid -- slantlip eel
  Carangidae -- valid -- jacks, pompanos, carangues, pampanos, saurels, jureles y pámpanos
  Caranx bartholomaei Cuvier in Cuvier and Valenciennes, 1833 -- invalid -- yellow jack, cojinuda amarilla
  Caranx caballus Günther, 1868 -- valid -- green jack, jurel bonito
  Caranx caninus Günther, 1867 -- valid -- Pacific crevalle jack, jurel toro
  Caranx crysos (Mitchill, 1815) -- valid -- blue runner, cojinúa, cojinuda negra
  Caranx dentex (Bloch and Schneider, 1801) -- invalid -- underjaw kingfish, white trevally
  Caranx hippos (Linnaeus, 1766) -- valid -- crevalle jack, jiguagua, jurel común
  Caranx latus Agassiz in Spix and Agassiz, 1831 -- valid -- horse-eye jack, gallego, jurel blanco
  Caranx lugubris Poey, 1860 -- valid -- black jack, tiñosa, jurel negro
  Caranx melampygus Cuvier in Cuvier and Valenciennes, 1833 -- valid -- black ulua, jurel aleta azul, bluefin trevally
  Caranx otrynter Jordan and Gilbert, 1883 -- invalid -- jurel chicuaca, threadfin jack
  Caranx ruber (Bloch, 1793) -- invalid -- bar jack, cibí carbonero, cojinuda carbonera
  Caranx sexfasciatus Quoy and Gaimard, 1825 -- valid -- great trevally, jurel voraz, bigeye trevally
  Caranx vinctus Jordan and Gilbert, 1882 -- valid -- cocinera, cocinera, cocinero, cocinero
  Carapidae -- valid -- pearlfishes, perleros, aurins
  Carapus bermudensis (Jones, 1874) -- valid -- fierásfer, perlero del Atlántico, Atlantic pearlfish, pearlfish
  Carapus dubius (Putnam, 1874) -- valid -- Pacific pearlfish, perlero del Pacífico
  Carassius auratus (Linnaeus, 1758) -- valid -- goldfish, carpa dorada, carassin
  Carcharhinidae Jordan and Evermann, 1896 -- valid -- mangeurs d'hommes, tiburones gambuso, requiem sharks
  Carcharhinus acronotus (Poey, 1860) -- valid -- tiburón cangüay, blacknose shark, tiburón limón
  Carcharhinus albimarginatus (Rüppell, 1837) -- valid -- tiburón puntas blancas, silvertip shark
  Carcharhinus altimus (Springer, 1950) -- valid -- tiburón narizón, bignose shark, baboso
  Carcharhinus brachyurus (Günther, 1870) -- valid -- tiburón cobrizo, copper shark, narrowtooth shark, bronze whaler
  Carcharhinus brevipinna (Müller and Henle, 1839) -- valid -- tiburón curro, spinner shark, tiburón de arrecife
  Carcharhinus falciformis (Müller and Henle, 1839) -- valid -- tiburón piloto, silky shark, jaquetón
  Carcharhinus galapagensis (Snodgrass and Heller, 1905) -- valid -- tiburón de Galápagos, Galapagos shark
  Carcharhinus isodon (Müller and Henle, 1839) -- valid -- tiburón dentiliso, finetooth shark, galano dientefino
  Carcharhinus leucas (Müller and Henle, 1839) -- valid -- tiburón toro, bull shark, cabeza de batea
  Carcharhinus limbatus (Müller and Henle, 1839) -- valid -- tiburón volador, blacktip shark, balicero
  Carcharhinus longimanus (Poey, 1861) -- valid -- tiburón oceánico, oceanic whitetip shark, galano
  Carcharhinus obscurus (Lesueur, 1818) -- valid -- tiburón gambuso, dusky shark, tiburón amarillo
  Carcharhinus perezii (Poey, 1876) -- valid -- tiburón coralino, Caribbean reef shark, reef shark, cabeza dura
  Carcharhinus plumbeus (Nardo, 1827) -- valid -- tiburón aleta de cartón, sandbar shark, arenero
  Carcharhinus porosus (Ranzani, 1839) -- valid -- tiburón poroso, smalltail shark
  Carcharhinus signatus (Poey, 1868) -- valid -- tiburón nocturno, night shark, tiburón de noche
  Carcharias taurus Rafinesque, 1810 -- valid -- tiburón arenero tigre, tigre arenero, sand tiger, sand tiger shark
  Carcharodon carcharias (Linnaeus, 1758) -- valid -- great white shark, white shark, tiburón blanco, jaquetón de ley, requin blanc
  Careproctus candidus Gilbert and Burke, 1912 -- valid -- bigeye snailfish
  Careproctus furcellus Gilbert and Burke, 1912 -- valid -- emarginate snailfish
  Careproctus gilberti Burke, 1912 -- valid -- smalldisk snailfish
  Careproctus longipinnis Burke, 1912 -- valid -- longfin snailfish, limace à longues nageoires
  Careproctus melanurus Gilbert, 1892 -- valid -- blacktail snailfish, baboso colinegra
  Careproctus ostentum Gilbert, 1896 -- valid -- microdisk snailfish
  Careproctus phasma Gilbert, 1896 -- valid -- spectral snailfish
  Careproctus rastrinus Gilbert and Burke, 1912 -- valid -- salmon snailfish
  Careproctus reinhardti (Krøyer, 1862) -- valid -- sea tadpole, petite limace de mer
  Careproctus scottae Chapman and DeLacy, 1934 -- valid -- peachskin snailfish
  Careproctus spectrum Bean, 1890 -- valid -- stippled snailfish
  Carlhubbsia kidderi (Hubbs, 1936) -- valid -- Champoton gambusia, guayacón de Champotón
  Carpiodes carpio (Rafinesque, 1820) -- valid -- River Carpsucker, matalote chato
  Carpiodes cyprinus (Lesueur, 1817) -- valid -- Quillback, couette, quillback carpsucker
  Carpiodes velifer (Rafinesque, 1820) -- valid -- Highfin Carpsucker
  Cathorops aguadulce (Meek, 1904) -- valid -- estuarine sea catfish, bagre aguadulce
  Cathorops dasycephalus (Günther, 1864) -- valid -- bigbelly sea catfish, bagre barrigón
  Cathorops fuerthii (Steindachner, 1877) -- valid -- congo sea catfish, bagre congo
  Cathorops melanopus (Günther, 1864) -- valid -- dark sea catfish, bagre prieto
  Cathorops spixii (Agassiz in Spix and Agassiz, 1829) -- valid -- raspfin sea catfish, bagre cuinchi
  Catostomidae -- valid -- suckers, matalotes, catostomes
  Catostomus ardens Jordan and Gilbert, 1881 -- valid -- Utah Sucker
  Catostomus bernardini Girard, 1856 -- valid -- Yaqui Sucker, matalote yaqui
  Catostomus cahita Siebert and Minckley, 1986 -- valid -- Cahita Sucker, matalote cahita
  Catostomus catostomus (Forster, 1773) -- valid -- Longnose Sucker, meunier rouge
  Catostomus clarkii Baird and Girard, 1854 -- invalid -- desert sucker, matalote del desierto
  Catostomus columbianus (Eigenmann and Eigenmann, 1893) -- valid -- Bridgelip Sucker, meunier de l'ouest
  Catostomus commersonii (Lacepède, 1803) -- valid -- meunier noir, White Sucker
  Catostomus commersonnii (Lacepède, 1803) -- invalid -- white sucker, meunier noir
  Catostomus discobolus Cope, 1871 -- invalid -- bluehead sucker
  Catostomus fumeiventris Miller, 1973 -- valid -- Owens Sucker
  Catostomus insignis Baird and Girard, 1854 -- valid -- Sonora Sucker, matalote de Sonora
  Catostomus latipinnis Baird and Girard, 1853 -- valid -- Flannelmouth Sucker, matalote boca de franela
  Catostomus leopoldi Siebert and Minckley, 1986 -- valid -- Bavispe sucker, Fleshylip Sucker, matalote del Bavispe
  Catostomus macrocheilus Girard, 1856 -- valid -- Largescale Sucker, meunier à grandes écailles
  Catostomus microps Rutter, 1908 -- valid -- Modoc Sucker
  Catostomus nebuliferus Garman, 1881 -- invalid -- Nazas sucker, matalote del Nazas
  Catostomus occidentalis Ayres, 1854 -- valid -- Sacramento Sucker
  Catostomus platyrhynchus (Cope, 1874) -- invalid -- mountain sucker
  Catostomus plebeius Baird and Girard, 1854 -- invalid -- Rio Grande sucker, matalote del Bravo
  Catostomus rimiculus Gilbert and Snyder in Gilbert, 1898 -- valid -- Klamath Smallscale Sucker
  Catostomus santaanae (Snyder, 1908) -- invalid -- Santa Ana sucker
  Catostomus snyderi Gilbert, 1898 -- valid -- Klamath Largescale Sucker
  Catostomus tahoensis Gill and Jordan in Jordan, 1878 -- valid -- Tahoe Sucker
  Catostomus warnerensis Snyder, 1908 -- valid -- Warner Sucker
  Catostomus wigginsi Herre and Brock in Herre, 1936 -- valid -- Ópata sucker, Sonoran sucker, matalote ópata
  Caulolatilus affinis Gill, 1865 -- valid -- conejo, Pacific golden-eyed tilefish
  Caulolatilus chrysops (Valenciennes in Cuvier and Valenciennes, 1833) -- valid -- goldface tilefish, tumba dorada, blanquillo ojo amarillo
  Caulolatilus cyanops Poey, 1866 -- valid -- blackline tilefish, tumba, domingo
  Caulolatilus hubbsi Dooley, 1978 -- valid -- blanquillo enigmático, enigmatic tilefish
  Caulolatilus intermedius Howell Rivero, 1936 -- valid -- anchor tilefish, tumba parda, blanquillo payaso
  Caulolatilus microps Goode and Bean, 1878 -- valid -- blueline tilefish, blanquillo lucio
  Caulolatilus princeps (Jenyns, 1840) -- valid -- ocean whitefish, pierna
  Cebidichthys violaceus (Girard, 1854) -- valid -- monkeyface prickleback, abrojo cara de mono
  Centrarchidae -- valid -- sunfishes, achigans et crapets, lobinas
  Centrarchus macropterus (Lacepède, 1801) -- valid -- Flier, peacock sunfish, round sunfish
  Centrolophidae -- valid -- rudderfishes, cojinobas, medusafishes, pompiles
  Centrolophus medusophagus Cocco, 1839 -- invalid -- brown ruff
  Centrolophus niger (Gmelin, 1789) -- valid -- black ruff
  Centropomidae -- valid -- robalos, snooks, centropomes
  Centropomus armatus Gill, 1863 -- valid -- longspine snook, robalo espina larga
  Centropomus ensiferus Poey, 1860 -- valid -- swordspine snook, róbalo espinoso, robalo de espolón
  Centropomus medius Günther, 1864 -- valid -- blackfin snook, robalo aleta prieta
  Centropomus mexicanus Bocourt, 1868 -- valid -- largescale fat snook, robalo gordo, Contantino snook
  Centropomus nigrescens Günther, 1864 -- valid -- robalo prieto, robalo prieto, black snook, robalo negro
  Centropomus parallelus Poey, 1860 -- valid -- smallscale fat snook, fat snook, robalito, chucumite
  Centropomus pectinatus Poey, 1860 -- valid -- tarpon snook, róbalo prieto, constantino
  Centropomus poeyi Chávez, 1961 -- valid -- Mexican snook, robalo prieto
  Centropomus robalito Jordan and Gilbert, 1882 -- valid -- constantino, constantino, robalo aleta amarilla, yellowfin snook
  Centropomus undecimalis (Bloch, 1792) -- valid -- common snook, snook, róbalo común, robalo blanco
  Centropomus unionensis Bocourt, 1868 -- valid -- humpback snook, robalo serrano
  Centropomus viridis Lockington, 1877 -- valid -- robalo plateado, white snook
  Centropristis fuscula (Poey, 1861) -- valid -- twospot sea bass, serrano oliváceo
  Centropristis ocyurus (Jordan and Evermann, 1887) -- valid -- bank sea bass, cabrilla de banco
  Centropristis philadelphica (Linnaeus, 1758) -- valid -- rock sea bass, cabrilla serrana
  Centropristis striata (Linnaeus, 1758) -- valid -- black sea bass
  Centropyge argi Woods and Kanazawa, 1951 -- valid -- cherubfish, angelote pigmeo
  Centroscyllium fabricii (Reinhardt, 1825) -- valid -- black dogfish, aiguillat noir
  Centroscymnus coelolepis Barbosa du Bocage and Brito Capello, 1864 -- valid -- Portuguese dogfish, Portuguese shark, tiburón portugués
  Cephalaspidomorphi -- valid -- lampreys
  Cephalopholis cruentata (Lacepède, 1802) -- valid -- enjambre, cherna enjambre, graysby
  Cephalopholis fulva (Linnaeus, 1758) -- valid -- guatívere, cabrilla roja, coney
  Cephalopholis panamensis (Steindachner, 1877) -- valid -- cabrilla enjambre, Panama graysby, Pacific graysby
  Cephaloscyllium ventriosum (Garman, 1880) -- valid -- pejegato globo, swell shark
  Cephalurus cephalus (Gilbert, 1892) -- valid -- pejegato renacuajo, lollipop cat shark, lollipop catshark
  Ceratiidae -- valid -- seadevils, deepsea anglerfishes, poissons-pêcheurs, peces anzuelo
  Ceratoscopelus townsendi (Eigenmann and Eigenmann, 1889) -- valid -- diente de perro, dogtooth lampfish
  Cerdale floridana Longley, 1934 -- valid -- pugjaw wormfish
  Cetengraulis edentulus (Cuvier, 1829) -- valid -- bocon, bocón, anchoveta rabo amarillo, Atlantic anchoveta
  Cetengraulis mysticetus (Günther, 1867) -- valid -- anchoveta, anchoveta bocona, Pacific anchoveta
  Cetorhinidae Gill, 1862 -- valid -- basking sharks, pèlerins, tiburones peregrino, basking shark
  Cetorhinus maximus (Gunnerus, 1765) -- valid -- basking shark, tiburón peregrino, pez elefante, pèlerin
  Chaenomugil proboscideus (Günther, 1861) -- valid -- lisa hocicona, snouted mullet
  Chaenopsidae -- valid -- flag blennies, chaenopsidés, trambollos tubícolas, tube blennies
  Chaenopsis alepidota (Gilbert, 1890) -- valid -- orangethroat pikeblenny, tubícola lucio
  Chaenopsis coheni Böhlke, 1957 -- valid -- Cortez pikeblenny, tubícola picudo
  Chaenopsis limbaughi Robins and Randall, 1965 -- valid -- yellowface pikeblenny
  Chaenopsis ocellata Poey in Gill, 1865 -- valid -- bluethroat pikeblenny, sapito afilado, tubícola afilado
  Chaenopsis roseola Hastings and Shipp, 1981 -- valid -- freckled pikeblenny
  Chaetodipterus faber (Broussonet, 1782) -- valid -- Atlantic spadefish, paguala, Atlantic Spadefish, chabela
  Chaetodipterus zonatus (Girard, 1858) -- valid -- Pacific spadefish, chambo, Pacific Spadefish
  Chaetodon capistratus Linnaeus, 1758 -- valid -- foureye butterflyfish, parche ocelado, mariposa ocelada
  Chaetodon humeralis Günther, 1860 -- valid -- muneca, threeband butterflyfish, mariposa muñeca, threebanded butterflyfish
  Chaetodon ocellatus Bloch, 1787 -- valid -- spotfin butterflyfish, parche ocelado amarillo, mariposa perla amarilla
  Chaetodon sedentarius Poey, 1860 -- valid -- reef butterflyfish, parche mariposa, mariposa parche
  Chaetodon striatus Linnaeus, 1758 -- valid -- parche rayado, banded butterflyfish, mariposa rayada
  Chaetodontidae -- valid -- butterflyfishes, peces mariposa, poissons-papillons
  Chanidae -- valid -- milkfishes, chanos, sabalotes
  Channa marulius (Hamilton, 1822) -- valid -- giant snakehead, Great snakehead, Bullseye Snakehead, murrel
  Channidae Fowler, 1934 -- valid -- snakeheads, cabezas de serpiente, têtes-de-serpent
  Channomuraena vittata (Richardson, 1845) -- valid -- broadbanded moray, morena rara, morena cinturones
  Chanos chanos (Forsskål, 1775) -- valid -- sabalote, milkfish
  Chapalichthys encaustus (Jordan and Snyder, 1899) -- valid -- barred splitfin, pintito de Ocotlán
  Chapalichthys pardalis Alvarez, 1963 -- valid -- pintito de Tocumbo, polka-dot splitfin
  Chapalichthys peraticus Alvarez, 1963 -- valid -- alien splitfin, pintito de San Juanico
  Characidae -- valid -- American characins, characins, tetras, carácidos, characins, charicidés, tétras
  Characodon audax Smith and Miller, 1986 -- valid -- bold characodon, mexcalpique del Toboso
  Characodon garmani Jordan and Evermann, 1898 -- valid -- mexcalpique de Parras, Parras characodon
  Characodon lateralis Günther, 1866 -- valid -- rainbow characodon, mexcalpique arcoiris
  Chasmistes brevirostris Cope, 1879 -- valid -- short-nose sucker, Shortnose Sucker
  Chasmistes cujus Cope, 1883 -- valid -- Cui-ui
  Chasmistes liorus Jordan, 1878 -- valid -- June Sucker
  Chasmistes muriei Miller and Smith, 1981 -- valid -- Snake River Sucker
  Chasmodes bosquianus (Lacepède, 1800) -- valid -- striped blenny
  Chasmodes longimaxilla Williams, 1983 -- valid -- borracho bocón, stretchjaw blenny
  Chasmodes saburrae Jordan and Gilbert, 1882 -- valid -- Florida blenny
  Chauliodus macouni Bean, 1890 -- valid -- Pacific viperfish, víbora del Pacífico
  Chaunacidae -- valid -- sea toads, gapers, coffinfishes, gómitas, crapauds de mer
  Chaunax stigmaeus Fowler, 1946 -- valid -- redeye gaper
  Cheilopogon atrisignis (Jenkins, 1903) -- valid -- glider flyingfish, volador planeador
  Cheilopogon cyanopterus (Valenciennes in Cuvier and Valenciennes, 1847) -- valid -- margined flyingfish, volador de borde oscuro, volador azul
  Cheilopogon dorsomacula (Fowler, 1944) -- valid -- blackspot flyingfish, volador lomo manchado
  Cheilopogon exsiliens (Linnaeus, 1771) -- valid -- bandwing flyingfish, volador bandeado, volador campechano
  Cheilopogon furcatus (Mitchill, 1815) -- valid -- spotfin flyingfish, volador ala manchada
  Cheilopogon heterurus (Rafinesque, 1810) -- valid -- Atlantic flyingfish, blotchwing flyingfish, volador ala lunada
  Cheilopogon melanurus (Valenciennes in Cuvier and Valenciennes, 1847) -- valid -- volador de banda estrecha, volador blanquito, Atlantic flyingfish
  Cheilopogon papilio (Clark, 1936) -- valid -- butterfly flyingfish, volador mariposa
  Cheilopogon pinnatibarbatus (Bennett, 1831) -- valid -- great blacktailed flyingfish, spotted flyingfish, smallhead flyingfish, volador cabecita
  Cheilopogon spilonotopterus (Bleeker, 1866) -- valid -- stained flyingfish, volador jaspeado
  Cheilopogon xenopterus (Gilbert, 1890) -- valid -- volador puntas blancas, whitetip flyingfish
  Cheilotrema saturnum (Girard, 1858) -- valid -- black croaker, corvinata negra
  Chesnonia verrucosa (Lockington, 1880) -- valid -- warty poacher
  Chilara taylori (Girard, 1858) -- valid -- spotted cusk-eel, congriperla moteada
  Chiloconger dentatus (Garman, 1899) -- valid -- thicklip conger, congrio labioso
  Chilomycterus antennatus (Cuvier, 1816) -- valid -- bridled burrfish, guanábana manchada, Bridled Burrfish, pez erizo de riendas
  Chilomycterus antillarum Jordan & Rutter, 1897 -- valid -- web burrfish, guanábana antillana, guanábana caribeña, Web Burrfish
  Chilomycterus atringa (Linnaeus, 1758) -- invalid -- guanábana, spotted burrfish
  Chilomycterus reticulatus (Linnaeus, 1758) -- valid -- pez erizo enano, spotfin burrfish, Spotfin Burrfish
  Chilomycterus schoepfii (Walbaum, 1792) -- valid -- guanába rayada, guanábana rayada, burrfish, porcupinefish, striped burrfish, Striped Burrfish
  Chilorhinus suensonii Lütken, 1852 -- valid -- seagrass eel, anguililla bembona, morena falsa bembona
  Chimaeridae Bonaparte, 1831 -- valid -- chimaeras, ratfishes, shortnosed chimaeras, chimères, quimeras, shortnose chimaeras
  Chirolophis ascanii (Walbaum, 1792) -- valid -- Atlantic warbonnet, toupet marbré
  Chirolophis decoratus (Jordan and Snyder, 1902) -- valid -- decorated warbonnet
  Chirolophis nugator (Jordan and Williams in Jordan and Starks, 1895) -- valid -- mosshead warbonnet
  Chirolophis snyderi (Taranetz, 1938) -- valid -- bearded warbonnet
  Chirolophis tarsodes (Jordan and Snyder, 1902) -- valid -- matcheek warbonnet
  Chirostoma aculeatum Barbour, 1973 -- valid -- charal cuchillo, scowling silverside
  Chirostoma arge (Jordan and Snyder, 1899) -- valid -- charal del Verde, largetooth silverside
  Chirostoma attenuatum Meek, 1902 -- valid -- charal prieto, slender silverside
  Chirostoma bartoni Jordan and Evermann, 1896 -- valid -- Alberca silverside, charal de la Caldera
  Chirostoma chapalae Jordan and Snyder, 1899 -- valid -- charal de Chapala, smallmouth silverside
  Chirostoma charari (de Buen, 1945) -- valid -- charal tarasco, least silverside
  Chirostoma consocium Jordan and Hubbs, 1919 -- valid -- charal de rancho, ranch silverside
  Chirostoma estor Jordan, 1880 -- valid -- pescado blanco, pike silverside
  Chirostoma grandocule (Steindachner, 1894) -- valid -- bigeye silverside, charal de lago
  Chirostoma humboldtianum (Valenciennes in Cuvier and Valenciennes, 1835) -- valid -- charal de Xochimilco, shortfin silverside
  Chirostoma jordani Woolman, 1894 -- valid -- charal, charal, mesa silverside
  Chirostoma labarcae Meek, 1902 -- valid -- charal de La Barca, sharpnose silverside
  Chirostoma lucius Boulenger, 1900 -- valid -- charal de la Laguna, longjaw silverside
  Chirostoma melanoccus Alvarez, 1963 -- valid -- blunthead silverside, charal de San Juanico
  Chirostoma mezquital Meek, 1904 -- invalid -- charal del Mezquital, Mezquital silverside
  Chirostoma patzcuaro Meek, 1902 -- valid -- charal pinto, Patzcuaro silverside
  Chirostoma promelas Jordan and Snyder, 1899 -- valid -- blacknose silverside, charal boca negra
  Chirostoma riojai Solórzano and López, 1966 -- valid -- charal de Santiago, Toluca silverside
  Chirostoma sphyraena Boulenger, 1900 -- valid -- bigmouth silverside, charal barracuda
  Chitala ornata (Gray, 1831) -- valid -- clown knifefish
  Chitonotus pugetensis (Steindachner, 1876) -- valid -- roughback sculpin, charrasco espalda rugosa
  Chlamydoselachidae Garman, 1884 -- valid -- frilled sharks, frill sharks, requins-lézards, tiburones anguila
  Chlamydoselachus anguineus Garman, 1884 -- valid -- frill shark, frilled shark, tiburón anguila
  Chlopsidae -- valid -- false morays, morenas falsas, fausses murènes
  Chlopsis apterus (Beebe and Tee-van, 1938) -- valid -- stripesnout false moray, morena falsa hocico rayado
  Chlopsis bicolor Rafinesque, 1810 -- valid -- bicolor eel
  Chlopsis dentatus (Seale, 1917) -- valid -- anguililla moteada, mottled false moray, morena falsa dientona
  Chlorophthalmidae -- valid -- greeneyes, ojiverdes, yeux-verts
  Chlorophthalmus agassizi Bonaparte, 1840 -- valid -- ojiverde ñato, shortnose greeneye, ojiverde chato
  Chloroscombrus chrysurus (Linnaeus, 1766) -- valid -- Atlantic bumper, casabe, horqueta del Atlántico
  Chloroscombrus orqueta Jordan and Gilbert, 1883 -- valid -- Pacific bumper, horqueta del Pacífico
  Chologaster cornuta Agassiz, 1853 -- valid -- swampfish
  Chriodorus atherinoides Goode and Bean, 1882 -- valid -- hardhead halfbeak, pajarito cabezidura, pejerrey
  Chriolepis benthonis Ginsburg, 1953 -- valid -- deepwater goby, gobio de agua profunda
  Chriolepis cuneata Bussing, 1990 -- valid -- gobio carril, rail goby
  Chriolepis minutillus Gilbert, 1892 -- valid -- gobio conchalero, rubble goby
  Chriolepis vespa Hastings and Bortone, 1981 -- valid -- wasp goby
  Chriolepis zebra Ginsburg, 1938 -- valid -- gecko goby, gobio salamanquesa
  Chromis alta Greenfield and Woods, 1980 -- valid -- castañeta alta, silverstripe chromis
  Chromis atrilobata Gill, 1862 -- valid -- castañeta cola de tijera, scissortail chromis, Castañeta
  Chromis cyanea (Poey, 1860) -- valid -- blue chromis, cromis azul, castañeta azul
  Chromis enchrysura Jordan and Gilbert, 1882 -- valid -- yellowtail reeffish, castañeta coliamarilla
  Chromis insolata (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- sunshinefish, cromis sol, castañeta sol
  Chromis limbaughi Greenfield and Woods, 1980 -- valid -- blue-and-yellow chromis, castañeta mexicana
  Chromis multilineata (Guichenot, 1853) -- valid -- brown chromis, cromis prieto, castañeta parda
  Chromis punctipinnis (Cooper, 1863) -- valid -- blacksmith, castañeta herrera
  Chromis scotti Emery, 1968 -- valid -- purple reeffish, cromis púrpura, castañeta púrpura
  Cichla ocellaris Bloch and Schneider, 1801 -- valid -- peacock cichlid, butterfly peacock bass
  Cichlasoma beani (Jordan, 1889) -- valid -- green guapote, mojarra de Sinaloa, Sinaloa cichlid
  Cichlasoma bimaculatum (Linnaeus, 1758) -- valid -- black acara, twospotted cichlid
  Cichlasoma citrinellum (Günther, 1864) -- invalid -- midas cichlid
  Cichlasoma cyanoguttatum (Baird and Girard, 1854) -- invalid -- Rio Grande cichlid, Rio Grande perch, mojarra del norte
  Cichlasoma friedrichsthalii (Heckel, 1840) -- invalid -- Friedrichsthal's cichlid, mojarra del San Juan, yellowjacket
  Cichlasoma grammodes Taylor and Miller, 1980 -- valid -- Chiapa de Corzo cichlid, mojarra del Chiapa de Corzo
  Cichlasoma istlanum (Jordan and Snyder, 1899) -- valid -- mojarra del Balsas, redside cichlid
  Cichlasoma managuense (Günther, 1867) -- invalid -- jaguar guapote, Managua cichlid, mojarra de Managua
  Cichlasoma meeki (Brind, 1918) -- invalid -- firemouth cichlid, mojarra boca de fuego
  Cichlasoma motaguense (Günther, 1867) -- invalid -- mojarra del Motagua, Motagua cichlid
  Cichlasoma nigrofasciatum (Günther, 1867) -- invalid -- convict cichlid, zebra cichlid, mojarra convicto
  Cichlasoma octofasciatum (Regan, 1903) -- invalid -- eightbanded cichlid, Jack Dempsey, mojarra castarrica
  Cichlasoma salvini (Günther, 1862) -- valid -- Salvin's cichlid, yellowbelly cichlid, guapote tricolor
  Cichlasoma spilurum (Günther, 1862) -- invalid -- blue-eye cichla, mojarra yucateca, blue-eye cichlid
  Cichlasoma trimaculatum (Günther, 1867) -- valid -- threespot cichlid, mojarra prieta
  Cichlasoma ufermanni (Allgayer, 2002) -- valid -- mojarra del Usumacinta, Usumacinta cichlid
  Cichlasoma urophthalmus (Günther, 1862) -- invalid -- Mayan cichlid, mojarra del sureste
  Cichlidae -- valid -- cichlids, cichlidés, tilapias y mojarras de agua dulce
  Ciliata septentrionalis (Collett, 1875) -- valid -- northern rockling
  Cirrhigaleus asper (Merrett, 1973) -- valid -- roughskin dogfish, roughskin dogshark, roughskin spurdog
  Cirrhitichthys oxycephalus (Bleeker, 1855) -- valid -- coral hawkfish, halcón de coral
  Cirrhitidae -- valid -- hawkfishes, halcones, poissons-éperviers
  Cirrhitus rivulatus Valenciennes, 1846 -- valid -- chino mero, giant hawkfish
  Cirriemblemaria lucasana (Stephens, 1963) -- valid -- plume blenny, tubícola plumoso
  Citharichthys abbotti Dawson, 1969 -- valid -- lenguado veracruzano, Veracruz whiff, Veracruz Whiff
  Citharichthys arctifrons Goode, 1880 -- valid -- Gulf Stream flounder, lenguado golfino, Gulf Stream Flounder, plie du gulf stream
  Citharichthys arenaceus Evermann & Marsh, 1900 -- valid -- sand whiff, lenguado arenero, Sand Whiff
  Citharichthys cornutus (Günther, 1880) -- valid -- horned whiff, lenguado cornudo, Horned Whiff
  Citharichthys dinoceros Goode & Bean, 1886 -- valid -- lenguado espinoso, spined whiff, Spined Whiff
  Citharichthys fragilis Gilbert, 1890 -- valid -- Gulf sanddab, lenguado flaco, Gulf Sanddab
  Citharichthys gilberti Jenkins & Evermann, 1889 -- valid -- bigmouth sanddab, lenguado tapadera, Bigmouth Sanddab
  Citharichthys gordae Beebe & Tee-Van, 1938 -- valid -- lenguado escondido, mimic sanddab, Mimic Sanddab
  Citharichthys gymnorhinus Gutherz & Blackman, 1970 -- valid -- anglefin whiff, Anglefin Whiff
  Citharichthys macrops Dresel, 1885 -- valid -- spotted whiff, lenguado manchado, Spotted Whiff
  Citharichthys mariajorisae van der Heiden & Mussot-Pérez, 1995 -- valid -- five-rayed sanddab, lenguado cinco radios, Five-rayed Sanddab
  Citharichthys platophrys Gilbert, 1891 -- valid -- lenguado frentón, small sanddab, Small Sanddab
  Citharichthys sordidus (Girard, 1854) -- valid -- Pacific sanddab, lenguado moteado, limande sordide, Pacific Sanddab
  Citharichthys spilopterus Günther, 1862 -- valid -- bay whiff, lenguado pardo, Bay Whiff
  Citharichthys stigmaeus Jordan & Gilbert, 1882 -- valid -- speckled sanddab, lenguado pecoso, limande tachetée, Speckled Sanddab
  Citharichthys uhleri Jordan in Jordan & Goss, 1889 -- valid -- lenguado albimoteado, voodoo whiff, Voodoo Whiff
  Citharichthys xanthostigma Gilbert, 1890 -- valid -- longfin sanddab, lenguado alón, Longfin Sanddab
  Clarias batrachus (Linnaeus, 1758) -- valid -- clarias catfish, walking catfish
  Clariidae Bonaparte, 1846 -- valid -- airbreathing catfishes, labyrinth catfishes, poissons-chats à labyrinths, bagres laberintos
  Clarkichthys bilineatus (Clark, 1936) -- valid -- flagtail wormfish, pez lombriz colibandera
  Clepticus parrae (Bloch and Schneider, 1801) -- valid -- creole wrasse, rabirrubia genízara, doncella mulata
  Clevelandia ios (Jordan and Gilbert, 1882) -- valid -- arrow goby, gobio flecha
  Clinidae -- valid -- kelpfishes, clinids, klipfishes, scaled blennies, cabillauds, clinides, clinies, kelp blennies, sargaceros
  Clinocottus acuticeps (Gilbert, 1896) -- valid -- sharpnose sculpin
  Clinocottus analis (Girard, 1858) -- valid -- woolly sculpin, charrasco lanudo
  Clinocottus embryum (Jordan and Starks, 1895) -- valid -- calico sculpin, charrasco angaripola
  Clinocottus globiceps (Girard, 1858) -- valid -- mosshead sculpin
  Clinocottus recalvus (Greeley, 1899) -- valid -- bald sculpin, charrasco pelón
  Clinostomus elongatus (Kirtland, 1840) -- valid -- méné long, Redside Dace
  Clinostomus funduloides Girard, 1856 -- valid -- Rosyside Dace
  Clupea harengus Linnaeus, 1758 -- valid -- Baltic herring, herring, hareng atlantique, Atlantic herring
  Clupea pallasii Valenciennes in Cuvier and Valenciennes, 1847 -- valid -- arenque del Pacífico, Pacific herring
  Clupeidae -- valid -- herrings, aloses, harengs, sardines, sprats, sardinas, menhadens, pilchards, sardines, sprats, shads
  Clupeiformes -- valid -- anchois, harengs, anchovies, herrings
  Cobitidae -- valid -- loaches, lochas, loches
  Cololabis saira (Brevoort, 1856) -- valid -- paparda del Pacífico, Pacific saury
  Colpichthys hubbsi Crabtree, 1989 -- valid -- delta silverside, pejerrey delta
  Colpichthys regis (Jenkins and Evermann, 1889) -- valid -- pez del rey, false grunion, pejerrey charal
  Conger oceanicus (Mitchill, 1818) -- valid -- conger eel
  Conger triporiceps Kanazawa, 1958 -- valid -- manytooth conger, congrio dentudo
  Congridae -- valid -- conger eels, congers, congres, congrios
  Conodon nobilis (Linnaeus, 1758) -- valid -- barred grunt, ronco canario
  Conodon serrifer Jordan and Gilbert, 1882 -- valid -- armed grunt, ronco ofensivo
  Cookeolus japonicus (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- bulleye, catalufa aleta larga
  Coralliozetus angelicus (Böhlke and Mead, 1957) -- valid -- angel blenny, tubícola ángel
  Coralliozetus boehlkei Stephens, 1963 -- valid -- barcheek blenny, tubícola cachete rayado
  Coralliozetus micropes (Beebe and Tee-van, 1938) -- valid -- tubícola cara de cebra, zebraface blenny
  Coralliozetus rosenblatti Stephens, 1963 -- valid -- spikefin blenny, tubícola espiga
  Coregonus artedi Lesueur, 1818 -- valid -- cisco, lake herring, cisco de lac
  Coregonus autumnalis (Pallas, 1776) -- valid -- Arctic cisco
  Coregonus clupeaformis (Mitchill, 1818) -- valid -- lake whitefish, grand corégone
  Coregonus hoyi (Milner, 1874) -- valid -- bloater
  Coregonus huntsmani Scott, 1987 -- valid -- Atlantic whitefish, Acadian whitefish
  Coregonus johannae (Wagner, 1910) -- valid -- deepwater cisco
  Coregonus kiyi (Koelz, 1921) -- valid -- kiyi
  Coregonus laurettae Bean, 1881 -- valid -- Bering cisco
  Coregonus nasus (Pallas, 1776) -- valid -- broad whitefish
  Coregonus nigripinnis (Milner, 1874) -- valid -- blackfin cisco
  Coregonus pidschian (Gmelin, 1789) -- valid -- humpback whitefish
  Coregonus reighardi (Koelz, 1924) -- valid -- shortnose cisco
  Coregonus sardinella Valenciennes in Cuvier and Valenciennes, 1848 -- valid -- least cisco
  Coregonus zenithicus (Jordan and Evermann, 1909) -- valid -- longjaw cisco, shortjaw cisco
  Corniger spinosus Agassiz in Spix and Agassiz, 1831 -- valid -- spinycheek soldierfish, candil espinoso
  Corvula macrops (Steindachner, 1876) -- valid -- vacoucua, vacoucua, corvineta vacuoqua, vacuoqua croaker
  Coryphaena equiselis Linnaeus, 1758 -- valid -- pompano dolphin, pompano dolphinfish, dorado enano
  Coryphaena hippurus Linnaeus, 1758 -- valid -- dolphin, dolphinfish, dorado
  Coryphaenidae -- valid -- dolphins, dorados, coryphènes, dolphinfishes, dorados
  Coryphopterus alloides Böhlke and Robins, 1960 -- valid -- barfin goby
  Coryphopterus dicrus Böhlke and Robins, 1960 -- valid -- colon goby, gobio colón, gobio dos puntos
  Coryphopterus eidolon Böhlke and Robins, 1960 -- valid -- pallid goby, gobio pálido
  Coryphopterus glaucofraenum Gill, 1863 -- valid -- bridled goby, gobio con brida, gobio de riendas
  Coryphopterus hyalinus Böhlke and Robins, 1962 -- valid -- glass goby, gobio de cristal, gobio cristal
  Coryphopterus lipernes Böhlke and Robins, 1962 -- valid -- peppermint goby, gobio linterna
  Coryphopterus personatus (Jordan and Thompson, 1905) -- valid -- masked goby, gobio enmascarado, gobio mapache
  Coryphopterus punctipectophorus Springer, 1960 -- valid -- spotted goby, gobio punteado
  Coryphopterus thrix Böhlke and Robins, 1960 -- valid -- bartail goby, gobio listado
  Coryphopterus tortugae (Jordan, 1904) -- invalid -- sand goby
  Coryphopterus urospilus Ginsburg, 1938 -- valid -- gobio semáforo, redlight goby
  Cosmocampus albirostris (Kaup, 1856) -- valid -- whitenose pipefish, pez pipa hocico blanco
  Cosmocampus arctus (Jenkins and Evermann, 1889) -- valid -- snubnose pipefish, pez pipa chato
  Cosmocampus brachycephalus (Poey, 1868) -- valid -- crested pipefish, trompetero ñato, pez pipa crestado
  Cosmocampus elucens (Poey, 1868) -- valid -- shortfin pipefish, trompetero brillante, pez pipa aletilla
  Cosmocampus hildebrandi (Herald, 1965) -- valid -- dwarf pipefish
  Cosmocampus profundus (Herald, 1965) -- valid -- deepwater pipefish, pez pipa de lo alto
  Cottidae -- valid -- sculpins, bullheads, scaleless sculpins, chabots de mer, scorpions de mer, chabots, charrascos espinosos
  Cottunculus microps Collett, 1875 -- valid -- Arctic sculpin, polar sculpin, cotte polaire
  Cottus aleuticus Gilbert, 1896 -- valid -- coastrange sculpin
  Cottus asper Richardson, 1836 -- valid -- prickly sculpin
  Cottus asperrimus Rutter, 1908 -- valid -- rough sculpin
  Cottus baileyi Robins, 1961 -- valid -- black sculpin
  Cottus bairdii Girard, 1850 -- valid -- mottled sculpin, chabot tacheté
  Cottus beldingii Eigenmann and Eigenmann, 1891 -- valid -- Paiute sculpin
  Cottus bendirei (Bean, 1881) -- valid -- Malheur sculpin
  Cottus caeruleomentum Kinziger, Raesly and Neely, 2000 -- valid -- Blue Ridge sculpin
  Cottus carolinae (Gill, 1861) -- valid -- banded sculpin
  Cottus cognatus Richardson, 1836 -- valid -- slimy sculpin, chabot visqueux
  Cottus confusus Bailey and Bond, 1963 -- valid -- shorthead sculpin
  Cottus echinatus Bailey and Bond, 1963 -- valid -- Utah Lake sculpin
  Cottus extensus Bailey and Bond, 1963 -- valid -- Bear Lake sculpin
  Cottus girardi Robins, 1961 -- valid -- Potomac sculpin
  Cottus greenei (Gilbert and Culver in Jordan and Evermann, 1898) -- valid -- Shoshone sculpin
  Cottus gulosus (Girard, 1854) -- valid -- riffle sculpin
  Cottus hubbsi Bailey and Dimick, 1949 -- valid -- Columbia sculpin
  Cottus hypselurus Robins and Robison, 1985 -- valid -- Wood River sculpin, Ozark sculpin
  Cottus klamathensis Gilbert, 1898 -- valid -- marbled sculpin
  Cottus leiopomus Gilbert and Evermann, 1894 -- valid -- Wood River sculpin
  Cottus marginatus (Bean, 1881) -- valid -- margined sculpin
  Cottus paulus Williams, 2000 -- valid -- pygmy sculpin
  Cottus perplexus Gilbert and Evermann, 1894 -- valid -- reticulate sculpin
  Cottus pitensis Bailey and Bond, 1963 -- valid -- Pit sculpin
  Cottus princeps Gilbert, 1898 -- valid -- Klamath Lake sculpin
  Cottus rhotheus (Smith, 1882) -- valid -- torrent sculpin
  Cottus ricei (Nelson, 1876) -- valid -- spoonhead sculpin, chabot à tête plate
  Cottus tenuis (Evermann and Meek, 1898) -- valid -- slender sculpin
  Couesius plumbeus (Agassiz, 1850) -- valid -- Lake Chub, méné de lac
  Crenichthys baileyi (Gilbert, 1893) -- valid -- White River springfish
  Crenichthys nevadae Hubbs, 1932 -- valid -- Railroad Valley springfish
  Crocodilichthys gracilis Allen and Robertson, 1991 -- valid -- lagartija tres aletas, lizard triplefin
  Cryptacanthodes aleutensis (Gilbert, 1896) -- valid -- dwarf wrymouth
  Cryptacanthodes giganteus (Kittlitz, 1858) -- valid -- giant wrymouth
  Cryptacanthodes maculatus Storer, 1839 -- valid -- wrymouth, terrassier tacheté, terrassier tâcheté
  Cryptacanthodidae Gill, 1861 -- valid -- wrymouths, risueños, terrassiers
  Cryptopsaras couesii Gill, 1883 -- valid -- diablo marino, triplewart seadevil, anzuelo diablo, warted seadevil, pêcheur à trèfle
  Cryptotomus roseus Cope, 1871 -- valid -- bluelip parrotfish, loro bembiazul, loro chimuelo
  Cryptotrema corallinum Gilbert, 1890 -- valid -- trambollo de profundidad, deepwater blenny
  Cryptotrema seftoni Hubbs, 1954 -- valid -- hidden blenny, trambollo escondido
  Crystallaria asprella (Jordan, 1878) -- valid -- crystal darter
  Crystallichthys cyclospilus Gilbert and Burke, 1912 -- valid -- blotched snailfish
  Ctenogobius boleosoma (Jordan and Gilbert, 1882) -- valid -- darter goby, esmeralda flechera, madrejuile
  Ctenogobius claytonii (Meek, 1902) -- valid -- gobio mexicano, Mexican goby
  Ctenogobius fasciatus Gill, 1858 -- valid -- blackbar goby, blotchcheek goby
  Ctenogobius manglicola (Jordan and Starks in Jordan, 1895) -- valid -- gobio de manglar, mangrove goby
  Ctenogobius pseudofasciatus (Gilbert and Randall in Gilbert and Kelso, 1971) -- valid -- slashcheek goby
  Ctenogobius saepepallens (Gilbert and Randall, 1968) -- valid -- dash goby, gobio guión
  Ctenogobius sagittula (Günther, 1861) -- valid -- gobio aguzado, longtail goby
  Ctenogobius shufeldti (Jordan and Eigenmann, 1887) -- valid -- freshwater goby
  Ctenogobius smaragdus (Valenciennes in Cuvier and Valenciennes, 1837) -- valid -- emerald goby, esmeralda cabezona
  Ctenogobius stigmaticus (Poey, 1860) -- valid -- esmeralda, marked goby
  Ctenogobius stigmaturus (Goode and Bean, 1882) -- valid -- spottail goby
  Ctenopharyngodon idella (Valenciennes in Cuvier and Valenciennes, 1844) -- valid -- grass carp, silver orfe, carpa herbívora
  Cualac tessellatus Miller, 1956 -- valid -- checkered pupfish, cachorrito de la Media Luna, Media Luna pupfish
  Cubiceps capensis (Smith, 1845) -- valid -- Cape fathead, Cape cigarfish
  Cubiceps paradoxus Butler, 1979 -- valid -- longfin cigarfish, derivante colón
  Cubiceps pauciradiatus Günther, 1872 -- valid -- longfin fathead, bigeye cigarfish, derivante ojón
  Culaea inconstans (Kirtland, 1840) -- valid -- brook stickleback, épinoche à cinq épines
  Cycleptus elongatus (Lesueur, 1817) -- valid -- Blue Sucker, matalote azul
  Cycleptus meridionalis Burr and Mayden, 1999 -- valid -- Southeastern Blue Sucker
  Cyclopsetta chittendeni Bean, 1895 -- valid -- Mexican flounder, lenguado mexicano, Mexican Flounder
  Cyclopsetta fimbriata (Goode & Bean, 1885) -- valid -- spotfin flounder, lenguado aleta sucia, Spotfin Flounder
  Cyclopsetta panamensis (Steindachner, 1876) -- valid -- lenguado panámico, Panamic flounder, Panamic Flounder
  Cyclopsetta querna (Jordan & Bollman, 1890) -- valid -- lenguado dientón, toothed flounder, Toothed Flounder
  Cyclopteridae -- valid -- lumpfishes, snailfishes, lumpsuckers, peces grumo, poules de mer
  Cyclopteropsis mcalpini (Fowler, 1914) -- valid -- Arctic lumpsucker
  Cyclopterus lumpus Linnaeus, 1758 -- valid -- lumpfish, grosse poule de mer
  Cymatogaster aggregata Gibbons, 1854 -- valid -- shiner perch, mojarra brillosa
  Cynoglossidae -- valid -- tongue soles, tonguefishes, lenguas, soles-langues
  Cynoponticus coniceps (Jordan and Gilbert, 1882) -- valid -- conehead eel, congrio espantoso
  Cynoscion albus (Günther, 1864) -- valid -- white corvina, white corvina, corvina chiapaneca, queen corvina
  Cynoscion arenarius Ginsburg, 1930 -- valid -- sand seatrout, corvina arenera
  Cynoscion jamaicensis (Vaillant and Bocourt, 1883) -- valid -- mongolar drummer, mongolar drummer, corvina jamaica, Jamaica weakfish
  Cynoscion nannus Castro-Aguirre and Arvizu-Martinez, 1976 -- valid -- corvina enana, dwarf corvina
  Cynoscion nebulosus (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- spotted seatrout, corvina pinta
  Cynoscion nothus (Holbrook, 1848) -- valid -- silver seatrout, corvina plateada
  Cynoscion othonopterus Jordan and Gilbert, 1882 -- valid -- corvina golfina, Gulf corvina
  Cynoscion parvipinnis Ayres, 1861 -- valid -- shortfin corvina, corvina aleta corta
  Cynoscion phoxocephalus Jordan and Gilbert, 1882 -- valid -- corvina picuda, sharpnose corvina
  Cynoscion regalis (Bloch and Schneider, 1801) -- valid -- weakfish, gray trout, sea trout
  Cynoscion reticulatus (Günther, 1864) -- valid -- striped corvina, striped corvina, corvina rayada
  Cynoscion squamipinnis (Günther, 1867) -- valid -- corvina aguada, scalyfin corvina
  Cynoscion stolzmanni (Steindachner, 1879) -- valid -- corvina coliamarilla, yellowtail corvina
  Cynoscion xanthulus Jordan and Gilbert, 1882 -- valid -- orangemouth corvina, corvina boquinaranja
  Cyprinella alvarezdelvillari Contreras-Balderas and Lozano-Vilano, 1994 -- valid -- Tepehuan Shiner, carpita tepehuana
  Cyprinella analostana Girard, 1859 -- valid -- Satinfin Shiner
  Cyprinella bocagrande (Chernoff and Miller, 1982) -- valid -- Largemouth Shiner, carpita bocagrande
  Cyprinella caerulea (Jordan, 1877) -- valid -- Blue Shiner
  Cyprinella callisema (Jordan, 1877) -- valid -- Ocmulgee Shiner
  Cyprinella callistia (Jordan, 1877) -- valid -- Alabama Shiner
  Cyprinella callitaenia (Bailey and Gibbs, 1956) -- valid -- Bluestripe Shiner
  Cyprinella camura (Jordan and Meek, 1884) -- valid -- Bluntface Shiner
  Cyprinella chloristia (Jordan and Brayton, 1878) -- valid -- Greenfin Shiner
  Cyprinella formosa (Girard, 1856) -- valid -- Beautiful Shiner, carpita yaqui
  Cyprinella galactura (Cope, 1868) -- valid -- Whitetail Shiner
  Cyprinella garmani (Jordan, 1885) -- valid -- Gibbous Shiner, carpita jorobada
  Cyprinella gibbsi (Howell and Williams, 1971) -- valid -- Tallapoosa Shiner
  Cyprinella labrosa (Cope, 1870) -- valid -- Thicklip Chub, thicklip shiner
  Cyprinella leedsi (Fowler, 1942) -- valid -- Bannerfin Shiner
  Cyprinella lepida Girard, 1856 -- valid -- Plateau Shiner
  Cyprinella lutrensis (Baird and Girard, 1853) -- valid -- Red Shiner, carpita roja
  Cyprinella nivea (Cope, 1870) -- valid -- Whitefin Shiner
  Cyprinella ornata (Girard, 1856) -- invalid -- ornate shiner, carpita adornada
  Cyprinella panarcys (Hubbs and Miller, 1978) -- valid -- Conchos Shiner, carpita del Conchos
  Cyprinella proserpina (Girard, 1856) -- valid -- carpita del Norte, carpita río del norte, Proserpine Shiner
  Cyprinella pyrrhomelas (Cope, 1870) -- valid -- Fieryblack Shiner
  Cyprinella rutila (Girard, 1856) -- valid -- Mexican Red Shiner, carpita regiomontana
  Cyprinella spiloptera (Cope, 1867) -- valid -- Spotfin Shiner, méné bleu
  Cyprinella trichroistia (Jordan and Gilbert in Jordan and Brayton, 1878) -- valid -- Tricolor Shiner
  Cyprinella venusta Girard, 1856 -- valid -- Blacktail Shiner, carpita colinegra
  Cyprinella whipplei Girard, 1856 -- valid -- Steelcolor Shiner
  Cyprinella whipplii Girard, 1856 -- invalid
  Cyprinella xaenura (Jordan, 1877) -- valid -- Altamaha Shiner
  Cyprinella xanthicara (Minckley and Lytle, 1969) -- valid -- Cuatro Cienegas Shiner, carpita de Cuatro Ciénegas
  Cyprinella zanema (Jordan and Brayton, 1878) -- valid -- Santee Chub, Santee shiner
  Cyprinidae -- valid -- carps, minnows, carpas y carpitas, carpes et ménés, carps and minnows, carpes, ménés, carpitas, carpas
  Cypriniformes -- valid -- cyprins, meuniers, minnows, suckers
  Cyprinodon albivelis Minckley and Miller in Minckley, Miller and Norris, 2002 -- valid -- cachorrito aletas blancas, whitefin pupfish
  Cyprinodon alvarezi Miller, 1976 -- valid -- cachorrito de Potosí, Potosi pupfish
  Cyprinodon arcuatus Minckley and Miller in Minckley, Miller and Norris, 2002 -- valid -- Santa Cruz pupfish
  Cyprinodon artifrons Hubbs, 1936 -- valid -- bolín petota, Yucatan pupfish
  Cyprinodon atrorus Miller, 1968 -- valid -- bolson pupfish, cachorrito del bolsón
  Cyprinodon beltrani Alvarez, 1949 -- valid -- blackfin pupfish, cachorrito lodero
  Cyprinodon bifasciatus Miller, 1968 -- valid -- cachorrito de Cuatro Ciénegas, Cuatro Cienegas pupfish
  Cyprinodon bobmilleri Lozano-Vilano and Contreras-Balderas, 1993 -- valid -- cachorrito de San Ignacio, San Ignacio pupfish
  Cyprinodon bovinus Baird and Girard, 1853 -- valid -- Leon Springs pupfish
  Cyprinodon ceciliae Lozano-Vilano and Contreras-Balderas, 1993 -- valid -- cachorrito de Villa López, Villa Lopez pupfish
  Cyprinodon diabolis Wales, 1930 -- valid -- Devils Hole pupfish, Devil's Hole pupfish
  Cyprinodon elegans Baird and Girard, 1853 -- valid -- Comanche Springs pupfish
  Cyprinodon esconditus Strecker, 2002 -- valid -- cachorrito escondido, hidden pupfish
  Cyprinodon eximius Girard, 1859 -- valid -- Conchos pupfish, cachorrito del Conchos
  Cyprinodon fontinalis Smith and Miller, 1980 -- valid -- cachorrito de Carbonera, Carbonera pupfish
  Cyprinodon inmemoriam Lozano-Vilano and Contreras-Balderas, 1993 -- valid -- cachorrito de Charco Azul, Charco Azul pupfish
  Cyprinodon labiosus Humphries and Miller, 1981 -- valid -- cachorrito cangrejero, thicklip pupfish
  Cyprinodon latifasciatus Garman, 1881 -- valid -- cachorrito de Parras, Parras pupfish
  Cyprinodon longidorsalis Lozano-Vilano and Contreras-Balderas, 1993 -- valid -- cachorrito de La Palma, La Palma pupfish
  Cyprinodon macrolepis Miller, 1976 -- valid -- bigscale pupfish, cachorrito escamudo
  Cyprinodon macularius Baird and Girard, 1853 -- valid -- desert pupfish, cachorrito del desierto
  Cyprinodon maya Humphries and Miller, 1981 -- valid -- cachorrito gigante, Maya pupfish
  Cyprinodon meeki Miller, 1976 -- valid -- cachorrito del Mezquital, Mezquital pupfish
  Cyprinodon nazas Miller, 1976 -- valid -- cachorrito del Nazas, Nazas pupfish
  Cyprinodon nevadensis Eigenmann and Eigenmann, 1889 -- valid -- Amargosa pupfish
  Cyprinodon pachycephalus Minckley and Minckley, 1986 -- valid -- bighead pupfish, cachorrito cabezón
  Cyprinodon pecosensis Echelle and Echelle, 1978 -- valid -- Pecos pupfish
  Cyprinodon pisteri Miller and Minckley in Minckley, Miller and Norris, 2002 -- valid -- cachorrito de Palomas, Palomas pupfish
  Cyprinodon radiosus Miller, 1948 -- valid -- Owens pupfish
  Cyprinodon rubrofluviatilis Fowler, 1916 -- valid -- Red River pupfish
  Cyprinodon salinus Miller, 1943 -- valid -- Salt Creek pupfish
  Cyprinodon simus Humphries and Miller, 1981 -- valid -- boxer pupfish, cachorrito boxeador
  Cyprinodon tularosa Miller and Echelle, 1975 -- valid -- White Sands pupfish
  Cyprinodon variegatus Lacepède, 1803 -- valid -- bolín, sheepshead minnow, pipón, sheepshead pupfish
  Cyprinodon verecundus Humphries, 1984 -- valid -- cachorrito aletón, largefin pupfish
  Cyprinodon veronicae Lozano-Vilano and Contreras-Balderas, 1993 -- valid -- cachorrito de Charco Palma, Charco Palma pupfish
  Cyprinodontidae Gill, 1865 -- valid -- killifishes, toothcarps, cachorritos, cyprinodontes, cyprinodontids, pupfishes
  Cyprinus carpio Linnaeus, 1758 -- valid -- common carp, European carp, carpa común, carpe
  Cypselurus angusticeps Nichols and Breder, 1935 -- valid -- narrowhead flyingfish, volador isleño
  Cypselurus callopterus (Günther, 1866) -- valid -- beautyfin flyingfish, volador bonito
  Cypselurus comatus (Mitchill, 1815) -- valid -- clearwing flyingfish, volador de alas claras
  Cyttopsis rosea (Lowe, 1843) -- valid -- red dory, San Pedro rojo
  Dactylagnus mundus Gill, 1863 -- valid -- giant stargazer, miraestrellas gigante
  Dactylagnus parvus Dawson, 1976 -- valid -- miraestrellas panámica, Panamic stargazer
  Dactylopteridae -- valid -- flying gurnards, alones, grondins volants
  Dactylopterus volitans (Linnaeus, 1758) -- valid -- flying gurnard, pez murciélago, alón volador
  Dactyloscopidae -- valid -- sand stargazers, miraestrellas, télescopes
  Dactyloscopus amnis Miller and Briggs, 1962 -- valid -- miraestrellas ribereña, riverine stargazer
  Dactyloscopus byersi Dawson, 1969 -- valid -- miraestrellas coliranurada, notchtail stargazer
  Dactyloscopus crossotus Starks, 1913 -- valid -- bigeye stargazer
  Dactyloscopus foraminosus Dawson, 1982 -- valid -- reticulate stargazer
  Dactyloscopus lunaticus Gilbert, 1890 -- valid -- miraestrellas lunática, moonstruck stargazer
  Dactyloscopus metoecus Dawson, 1975 -- valid -- Mexican stargazer, miraestrellas mexicana
  Dactyloscopus minutus Dawson, 1975 -- valid -- miraestrellas chiquita, tiny stargazer
  Dactyloscopus moorei (Fowler, 1906) -- valid -- speckled stargazer
  Dactyloscopus tridigitatus Gill, 1859 -- valid -- sand stargazer, mirón ojilargo, miraestrellas ojilargo
  Dalatias licha (Bonnaterre, 1788) -- valid -- kitefin shark
  Dalatiidae Grey, 1851 -- valid -- sleeper sharks, kitefin sharks, laimargues, tiburones carochos
  Dallia pectoralis Bean, 1880 -- valid -- Alaska blackfish
  Dasyatidae Jordan, 1888 -- valid -- pastenagues, rayas látigo, stingrays, whiprays, whiptail stingrays, whip-tail stingrays
  Dasyatis americana Hildebrand and Schroeder, 1928 -- valid -- raya látigo blanca, southern stingray, raya americana
  Dasyatis centroura (Mitchill, 1815) -- valid -- roughtail stingray, clam cracker, stingaree
  Dasyatis dipterura (Jordan and Gilbert, 1880) -- valid -- raya látigo diamante, diamond stingray
  Dasyatis guttata (Bloch and Schneider, 1801) -- valid -- raya látigo del Golfo, longnose stingray, raya máxima
  Dasyatis sabina (Lesueur, 1824) -- valid -- raya látigo de espina, Atlantic stingray, raya enana
  Dasyatis say (Lesueur, 1817) -- valid -- raya látigo chata, bluntnose stingray, raya mediana
  Dasycottus setiger Bean, 1890 -- valid -- spinyhead sculpin
  Decapterus macarellus (Cuvier in Cuvier and Valenciennes, 1833) -- valid -- mackerel scad, antonino caballita, macarela caballa
  Decapterus macrosoma Bleeker, 1851 -- valid -- blue mackerel scad, cherootfish, blue mackerel scad, cherootfish, macarela alicorta, shortfin scad
  Decapterus muroadsi (Temminck and Schlegel, 1844) -- valid -- brownstriped mackerel scad, brownstriped mackerel scad, amberstripe scad, macarela plátano
  Decapterus punctatus (Cuvier, 1829) -- valid -- round scad, antonino punteado, macarela chuparaco
  Decapterus tabl Berry, 1968 -- valid -- redtail scad
  Decodon melasma Gomon, 1974 -- valid -- blackspot wrasse, viejita manchada
  Decodon puellaris (Poey, 1860) -- valid -- red hogfish, doncella de lo alto
  Deltistes luxatus (Cope, 1879) -- valid -- Lost River Sucker
  Derilissus kremnobates Fraser, 1970 -- valid -- chupapiedra ojo estriado, whiskereye clingfish
  Dermatolepis dermatolepis (Boulenger, 1895) -- valid -- mero cuero, leather bass
  Dermatolepis inermis (Valenciennes in Cuvier and Valenciennes, 1833) -- valid -- cherna jaspeada, marbled grouper
  Desmodema lorum Rosenblatt and Butler, 1977 -- valid -- whiptail ribbonfish, listoncillo látigo
  Desmodema polystictum (Ogilby, 1898) -- valid -- polka-dot ribbonfish
  Dialommus macrocephalus (Günther, 1861) -- valid -- foureye rockskipper, trambollo listo
  Diaphus theta Eigenmann and Eigenmann, 1890 -- valid -- California headlightfish, linternilla californiana
  Diapterus auratus Ranzani, 1842 -- valid -- Irish pompano, patao común, mojarra guacha
  Diapterus aureolus (Jordan and Gilbert, 1882) -- valid -- golden mojarra, mojarra palometa
  Diapterus peruvianus (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- mojarra aletas amarillas, Peruvian mojarra
  Diapterus rhombeus (Cuvier, 1829) -- valid -- rhomboid mojarra, Caitipa mojarra, patao, mojarra de estero, rhombic mojarra
  Dibranchus atlanticus Peters, 1876 -- valid -- Atlantic batfish
  Diodon eydouxii Brisout de Barneville, 1846 -- valid -- pelagic porcupinefish, pez erizo pelágico, Pelagic Porcupinefish
  Diodon holocanthus Linnaeus, 1758 -- valid -- balloonfish, hairy porcupinefish, pez erizo, pez erizo mapache, Balloonfish
  Diodon hystrix Linnaeus, 1758 -- valid -- porcupinefish, puerco espín, pez erizo pecoso, Porcupinefish
  Diodontidae -- valid -- porcupinefishes, burrfishes, peces erizo, poissons porcs-épics
  Diogenichthys laternatus (Garman, 1899) -- valid -- Diogenes lanternfish, linternilla de Diogenes
  Dionda argentosa Girard, 1856 -- valid -- Manantial Roundnose Minnow, carpa de manantial
  Dionda catostomops Hubbs and Miller, 1977 -- invalid -- Pánuco minnow, carpa de Tamasopo
  Dionda diaboli Hubbs and Brown, 1957 -- valid -- Devils River Minnow, carpa diabla
  Dionda dichroma Hubbs and Miller, 1977 -- invalid -- bicolor minnow, carpa bicolor
  Dionda episcopa Girard, 1856 -- valid -- Roundnose Minnow, carpa obispa
  Dionda erimyzonops Hubbs and Miller, 1974 -- invalid -- chubsucker minnow, carpa del Mante
  Dionda ipni (Álvarez and Navarro, 1953) -- invalid -- carpa veracruzana, lantern minnow
  Dionda mandibularis Contreras-Balderas and Verduzco-Martínez, 1977 -- invalid -- flatjaw minnow, carpa quijarona
  Dionda melanops Girard, 1856 -- valid -- Spotted Minnow, carpa manchada
  Dionda nigrotaeniata (Cope, 1880) -- valid -- Guadalupe Roundnose Minnow
  Dionda rasconis (Jordan and Snyder, 1899) -- invalid -- blackstripe minnow, carpa potosina
  Dionda serena Girard, 1856 -- valid -- Nueces Roundnose Minnow
  Diplectrum bivittatum (Valenciennes in Cuvier and Valenciennes, 1828) -- valid -- dwarf sand perch, serrano guabino
  Diplectrum eumelum Rosenblatt and Johnson, 1974 -- valid -- orange-spotted sand perch, serrano carabonita
  Diplectrum euryplectrum Jordan and Bollman, 1890 -- valid -- bighead sand perch, serrano extranjero
  Diplectrum formosum (Linnaeus, 1766) -- valid -- sand perch, serrano, serrano arenero
  Diplectrum labarum Rosenblatt and Johnson, 1974 -- valid -- highfin sand perch, serrano espinudo
  Diplectrum macropoma (Günther, 1864) -- valid -- Mexican sand perch, serrano mexicano
  Diplectrum maximum Hildebrand, 1946 -- valid -- greater sand perch, serrano de altura
  Diplectrum pacificum Meek and Hildebrand, 1925 -- valid -- Pacific sand perch, serrano cabaicucho
  Diplectrum rostrum Bortone, 1974 -- valid -- bridled sand perch, serrano frenado
  Diplectrum sciurus Gilbert, 1892 -- valid -- serrano ardilla, squirrel sand perch
  Diplobatis ommata (Jordan and Gilbert in Jordan and Bollman, 1890) -- valid -- bullseye electric ray, raya eléctrica diana
  Diplodus argenteus (Valenciennes in Cuvier and Valenciennes, 1830) -- valid -- silver porgy
  Diplodus holbrookii (Bean, 1878) -- valid -- spottail pinfish, sargo cotonero
  Diplogrammus pauciradiatus (Gill, 1865) -- valid -- dragoncillo moteado, spotted dragonet
  Diplospinus multistriatus Maul, 1948 -- valid -- striped escolar, sable estirado, escolar rayado
  Dipturus bullisi (Bigelow and Schroeder, 1962) -- valid -- Tortugas skate, lozenge skate, raya triangular
  Dipturus laevis (Mitchill, 1818) -- valid -- grande raie, barndoor skate
  Dipturus olseni (Bigelow and Schroeder, 1951) -- valid -- raya colona, spreadfin skate
  Doradidae Bleeker, 1858 -- valid -- thorny catfishes, bagres sierra, poissons-chats épineux
  Doratonotus megalepis Günther, 1862 -- valid -- dwarf wrasse, doncella enana
  Dormitator latifrons (Richardson, 1844) -- valid -- Pacific fat sleeper, puyeki
  Dormitator maculatus (Bloch, 1792) -- valid -- fat sleeper, guavina mapo, naca
  Dorosoma anale Meek, 1904 -- valid -- longfin gizzard shad, sardina del Papaloapan, Mexican river gizzard shad
  Dorosoma cepedianum (Lesueur, 1818) -- valid -- gizzard shad, sardina molleja, alose à gésier, American gizzard shad, eastern gizzard shad, hickory shad, mud shad, skipjack
  Dorosoma petenense (Günther, 1867) -- valid -- threadfin shad, sardina maya
  Dorosoma smithi Hubbs and Miller, 1941 -- valid -- sardina norteña, Pacific gizzard shad
  Doryrhamphus excisus Kaup, 1856 -- valid -- fantail pipefish, pez pipa chico
  Dysomma anguillare Barnard, 1923 -- valid -- shortbelly eel, blind arrowtooth eel, anguila panzacorta
  Echeneidae -- valid -- remoras, sharksuckers, rémoras, rémoras
  Echeneis naucrates Linnaeus, 1758 -- valid -- sharksucker, guaicán, rémora rayada
  Echeneis neucratoides Zuiew, 1786 -- valid -- whitefin sharksucker, rémora filoblanco
  Echidna catenata (Bloch, 1795) -- valid -- chain moray, morena jaspeada, morena cadena
  Echidna nebulosa (Ahl, 1789) -- valid -- starry moray, white moray, morena estrellada
  Echidna nocturna (Cope, 1872) -- valid -- palenose moray, morena pecosa
  Echinorhinidae Gill, 1862 -- valid -- bramble sharks, squales bouclés, tiburones espinosos
  Echinorhinus brucus (Bonnaterre, 1788) -- valid -- bramble shark
  Echinorhinus cookei Pietschmann, 1928 -- valid -- tiburón espinoso negro, prickly shark
  Echiodon dawsoni Williams and Shipp, 1982 -- valid -- chain pearlfish
  Echiodon exsilium Rosenblatt, 1961 -- valid -- nocturnal pearlfish, perlero nocturno
  Echiophis brunneus (Castro-Aguirre and Suárez de los Cobos, 1983) -- valid -- fangjaw eel, tieso colmillón
  Echiophis intertinctus (Richardson, 1848) -- valid -- spotted spoon-nose eel, safío dentudo lunado, tieso cucharón manchado
  Echiophis punctifer (Kaup, 1860) -- valid -- stippled spoon-nose eel, safío dentudo punteado, snapper eel, tieso pecoso
  Ekemblemaria myersi Stephens, 1963 -- valid -- reef-sand blenny, tubícola de cejas
  Elacatinus digueti (Pellegrin, 1901) -- valid -- redhead goby, banded cleaning goby, gobio barbero
  Elacatinus evelynae (Böhlke and Robins, 1968) -- valid -- gobio hocicudo, sharknose goby, sharpnose goby, gobio tiburoncito
  Elacatinus genie (Böhlke and Robins, 1968) -- valid -- cleaner goby, cleaning goby, gobio limpiador
  Elacatinus horsti (Metzelaar, 1922) -- valid -- gobio de banda amarilla, yellowline goby
  Elacatinus illecebrosus (Böhlke and Robins, 1968) -- valid -- barsnout goby, gobio seductor
  Elacatinus janssi Bussing, 1981 -- valid -- gobio lomopintado, spotback goby
  Elacatinus limbaughi Hoese and Reader, 2001 -- valid -- gobio insólito, widebanded cleaning goby
  Elacatinus louisae (Böhlke and Robins, 1968) -- valid -- spotlight goby, gobio farol
  Elacatinus macrodon (Beebe and Tee-Van, 1928) -- valid -- tiger goby, gobio tigre
  Elacatinus oceanops Jordan, 1904 -- valid -- neon goby
  Elacatinus prochilos (Böhlke and Robins, 1968) -- valid -- broadstripe goby, gobio bordeado
  Elacatinus puncticulatus (Ginsburg, 1938) -- invalid -- gobio cabeza roja, redhead goby
  Elacatinus xanthiprora (Böhlke and Robins, 1968) -- valid -- yellowprow goby
  Elagatis bipinnulata (Quoy and Gaimard, 1825) -- valid -- rainbow runner, salmón cubano, macarela salmón
  Elasmobranchii -- valid -- cartilaginous fishes, rays, sharks, skates, torpedoes
  Elassoma alabamae Mayden, 1993 -- valid -- spring pygmy sunfish
  Elassoma boehlkei Rohde and Arndt, 1987 -- valid -- Carolina pygmy sunfish
  Elassoma evergladei Jordan, 1884 -- valid -- Everglades pygmy sunfish
  Elassoma okatie Rohde and Arndt, 1987 -- valid -- bluebarred pygmy sunfish
  Elassoma okefenokee Böhlke, 1956 -- valid -- Okefenokee pygmy sunfish
  Elassoma zonatum Jordan, 1877 -- valid -- banded pygmy sunfish
  Elassomatidae -- valid -- pygmy sunfishes, crapets-pygmées, solecitos
  Elattarchus archidium (Jordan and Gilbert, 1882) -- valid -- bluestreak drum, corvineta gallinita
  Eleginus gracilis (Tilesius, 1810) -- valid -- saffron cod
  Eleotridae -- valid -- sleepers, dormeurs, guavinas
  Eleotris amblyopsis (Cope, 1871) -- valid -- dormilón oscuro, largescaled spinycheek sleeper
  Eleotris perniger (Cope, 1871) -- valid -- guavina espinosa, smallscaled spinycheek sleeper
  Eleotris picta Kner, 1863 -- valid -- spotted sleeper, guavina machada
  Elopidae -- valid -- bigeyed herrings, tarpons, tenpounders, guinées, machetes, ladyfishes
  Elopiformes -- valid -- tarpons
  Elops affinis Regan, 1909 -- valid -- machete, machete del Pacífico
  Elops saurus Linnaeus, 1766 -- valid -- ladyfish, banano, machete del Atlántico
  Embassichthys bathybius (Gilbert, 1890) -- valid -- deepsea sole, platija de profundidad, Deepsea Sole, plie de profondeur
  Embiotoca jacksoni Agassiz, 1853 -- valid -- black perch, mojarra negra
  Embiotoca lateralis Agassiz, 1854 -- valid -- striped seaperch, mojarra azul
  Embiotocidae -- valid -- surf perches, mojarras vivíparas, perches vivipares, surfperches
  Emblemaria atlantica Jordan and Evermann, 1898 -- valid -- banner blenny
  Emblemaria hypacanthus (Jenkins and Evermann, 1889) -- valid -- Gulf signal blenny, tubícola flamante
  Emblemaria pandionis Evermann and Marsh, 1900 -- valid -- sailfin blenny, sapito dragón, tubícola dragón
  Emblemaria piratica Ginsburg, 1942 -- valid -- sailfin signal blenny, tubícola bandera
  Emblemaria piratula Ginsburg and Reid in Ginsburg, 1942 -- valid -- pirate blenny
  Emblemaria walkeri Stephens, 1963 -- valid -- elusive signal blenny, tubícola fugaz
  Emblemariopsis bahamensis Stephens, 1961 -- valid -- blackhead blenny, tubícola cabezinegro
  Emblemariopsis occidentalis Stephens, 1970 -- valid -- redspine blenny, sapito aletón, tubícola espina roja
  Emblemariopsis pricei Greenfield, 1975 -- valid -- seafan blenny, tubícola gorgonio
  Emblemariopsis signifera (Ginsburg, 1942) -- valid -- flagfin blenny, sapito aletón, tubícola aletón
  Emmelichthyidae -- valid -- bonnetmouths, rovers, andorreros, poissons-rubis
  Emmelichthyops atlanticus Schultz, 1945 -- valid -- bonnetmouth
  Emmelichthys ruber (Trunov, 1976) -- valid -- red rover
  Empetrichthys latos Miller, 1948 -- valid -- Pahrump poolfish, Pahrump killifish
  Empetrichthys merriami Gilbert, 1893 -- valid -- Ash Meadows killifish, Ash Meadows poolfish
  Encheliophis dubius (Putnam, 1874) -- invalid -- Pacific pearlfish, perlero del Pacífico
  Encheliophis vermicularis Müller, 1842 -- valid -- finless pearlfish, perlero mocho
  Enchelycore carychroa Böhlke and Böhlke, 1976 -- valid -- chestnut moray, morena parda, morena castaña
  Enchelycore nigricans (Bonnaterre, 1788) -- valid -- viper moray, morena mulata, morena víbora
  Enchelycore octaviana (Myers and Wade, 1941) -- valid -- slenderjaw moray, morena octaviana
  Enchelyopus cimbrius (Linnaeus, 1766) -- valid -- fourbeard rockling, motelle à quatre barbillons
  Engraulidae -- valid -- anchois, anchoas, anchovies
  Engraulis eurystole (Swain and Meek, 1884) -- valid -- silver anchovy, camiguana anchovy
  Engraulis mordax Girard, 1854 -- valid -- northern anchovy, anchoveta norteña, North Pacific anchovy, Californian anchoveta
  Engyophrys sanctilaurentii Jordan & Bollman, 1890 -- valid -- lenguado colimanchada, speckledtail flounder, Speckledtail Flounder
  Engyophrys senta Ginsburg, 1933 -- valid -- spiny flounder, lenguado ojicornudo, Spiny Flounder
  Enneacanthus chaetodon (Baird, 1855) -- valid -- Blackbanded Sunfish
  Enneacanthus gloriosus (Holbrook, 1855) -- valid -- Bluespotted Sunfish
  Enneacanthus obesus (Girard, 1854) -- valid -- Banded Sunfish, diamond sunfish, little sunfish
  Enneanectes altivelis Rosenblatt, 1960 -- valid -- lofty triplefin, sapito barreado, tres aletas de barras
  Enneanectes atrorus Rosenblatt, 1960 -- valid -- blackedge triplefin, blackedge triplefin, sapito orleado, tres aletas orlado
  Enneanectes boehlkei Rosenblatt, 1960 -- valid -- roughhead triplefin, sapito rugoso, tres aletas rugoso
  Enneanectes jordani (Evermann and Marsh, 1899) -- valid -- mimic triplefin, mimic triplefin, sapito tres aletas, tres aletas escondido
  Enneanectes pectoralis (Fowler, 1941) -- valid -- redeye triplefin, tres aletas aletón
  Enneanectes reticulatus Allen and Robertson, 1991 -- valid -- flag triplefin, tres aletas bandera
  Enophrys bison (Girard, 1854) -- valid -- buffalo sculpin
  Enophrys diceraus (Pallas, 1787) -- valid -- antlered sculpin
  Enophrys lucasi (Jordan and Gilbert in Jordan and Evermann, 1898) -- valid -- leister sculpin
  Enophrys taurina Gilbert, 1914 -- valid -- bull sculpin
  Entomacrodus chiostictus (Jordan and Gilbert, 1882) -- valid -- borracho aleta mocha, notchfin blenny
  Entomacrodus nigricans Gill, 1859 -- valid -- pearl blenny, blenio perlado, borracho perlado
  Enypnias seminudus (Günther, 1861) -- valid -- gobio cienoso, silt goby
  Eopsetta jordani (Lockington, 1879) -- valid -- petrale sole, platija petrale, Petrale Sole, plie de Californie
  Ephippidae -- valid -- chèvres de mer, peluqueros, spadefishes
  Epinephelus acanthistius (Gilbert, 1892) -- valid -- Gulf coney, baqueta, rooster hind
  Epinephelus adscensionis (Osbeck, 1765) -- valid -- rock hind, cabra mora, cabrilla payaso
  Epinephelus analogus Gill, 1863 -- valid -- spotted cabrilla, cabrilla pinta
  Epinephelus cifuentesi Lavenberg and Grove in Heemstra and Randall, 1993 -- valid -- cabrilla gallina, olive grouper
  Epinephelus drummondhayi Goode and Bean, 1878 -- valid -- speckled hind, mero pintarroja
  Epinephelus exsul (Fowler, 1944) -- valid -- cabrilla diez espinas, tenspine grouper
  Epinephelus flavolimbatus Poey, 1865 -- valid -- yellowedge grouper, mero de aletas amarillas, mero extraviado
  Epinephelus guttatus (Linnaeus, 1758) -- valid -- red hind, cabrilla, cabrilla colorada
  Epinephelus itajara (Lichtenstein, 1822) -- valid -- guasa, goliath grouper, mero guasa
  Epinephelus labriformis (Jenyns, 1840) -- valid -- lateralband grouper, cabrilla piedrera, flag cabrilla, starry grouper
  Epinephelus morio (Valenciennes in Cuvier and Valenciennes, 1828) -- valid -- red grouper, cherna americana
  Epinephelus mystacinus (Poey, 1852) -- valid -- misty grouper, cherno de lo alto, moustache grouper, convict grouper
  Epinephelus nigritus (Holbrook, 1855) -- valid -- cherno prieto, mero negro, warsaw grouper
  Epinephelus niphobles Gilbert and Starks in Gilbert, 1897 -- valid -- baqueta ploma, star-studded grouper, star-studed grouper
  Epinephelus niveatus (Valenciennes in Cuvier and Valenciennes, 1828) -- valid -- snowy grouper, cherna manchada, cherna pintada
  Epinephelus striatus (Bloch, 1792) -- valid -- cherna criolla, mero del Caribe, Nassau grouper
  Epinnula magistralis Poey, 1854 -- valid -- domine, dómine, dominó
  Eptatretus deani (Evermann and Goldsborough, 1907) -- valid -- black hagfish, bruja pecosa
  Eptatretus fritzi Wisner and McMillan, 1990 -- valid -- bruja de Guadalupe, Guadalupe hagfish
  Eptatretus mcconnaugheyi Wisner and McMillan, 1990 -- valid -- bruja cabeza chica, shorthead hagfish
  Eptatretus sinus Wisner and McMillan, 1990 -- valid -- bruja de Cortés, Cortez hagfish
  Eptatretus stoutii (Lockington, 1878) -- valid -- bruja pintada, Pacific hagfish
  Equetus lanceolatus (Linnaeus, 1758) -- valid -- jackknife-fish, jackknife fish, vaqueta de cinta, payasito obispo
  Equetus punctatus (Bloch and Schneider, 1801) -- valid -- spotted drum, vaqueta punteada, payasito punteado
  Eremichthys acros Hubbs and Miller, 1948 -- valid -- Desert Dace
  Erilepis zonifer (Lockington, 1880) -- valid -- skilfish
  Erimonax monachus (Cope, 1868) -- valid -- Spotfin Chub
  Erimystax cahni (Hubbs and Crowe, 1956) -- valid -- Slender Chub
  Erimystax dissimilis (Kirtland, 1840) -- valid -- Streamline Chub
  Erimystax harryi (Hubbs and Crowe, 1956) -- valid -- Ozark Chub
  Erimystax insignis (Hubbs and Crowe, 1956) -- valid -- Blotched Chub
  Erimystax x-punctatus (Hubbs and Crowe, 1956) -- valid -- gravelier, Gravel Chub
  Erimyzon oblongus (Mitchill, 1814) -- valid -- creek chubsucker, Eastern Creek Chubsucker
  Erimyzon sucetta (Lacepède, 1803) -- valid -- Lake Chubsucker, sucet de lac
  Erimyzon tenuis (Agassiz, 1855) -- valid -- Sharpfin Chubsucker
  Ernogrammus walkeri Follett and Powell, 1988 -- valid -- masked prickleback
  Erotelis armiger (Jordan and Richardson in Jordan, 1895) -- valid -- flathead sleeper, guavina cabeza plana
  Erotelis smaragdus (Valenciennes in Cuvier and Valenciennes, 1837) -- valid -- emerald sleeper, guavina de concha
  Erythrocles monodi Poll and Cadenat, 1954 -- valid -- crimson rover
  Esocidae -- valid -- pickerels, pikes, brochets, lucios
  Esox americanus Gmelin, 1789 -- valid -- brochet d'Amérique, redfin pickerel, redfin or grass pickerel, brochet d'Amérique (vermiculé), grass pickerel
  Esox lucius Linnaeus, 1758 -- valid -- northern pike, grand brochet
  Esox masquinongy Mitchill, 1824 -- valid -- muskellunge, maskinongé
  Esox niger Lesueur, 1818 -- valid -- chain pickerel, brochet maillé
  Esselenichthys carli (Follett and Anderson, 1990) -- valid -- threeline prickleback, abrojo tres rayas
  Esselenichthys laurae (Follett and Anderson, 1990) -- valid -- twoline prickleback, abrojo dos rayas
  Etelis oculatus (Valenciennes in Cuvier and Valenciennes, 1828) -- valid -- cachucho, pargo cachucho, Queen Snapper, vivaneau royal
  Ethadophis akkistikos McCosker and Böhlke, 1984 -- valid -- indifferent eel
  Ethadophis byrnei Rosenblatt and McCosker, 1970 -- valid -- ordinary eel, tieso de Cortés
  Ethadophis merenda Rosenblatt and McCosker, 1970 -- valid -- snack eel, tieso merienda
  Etheostoma acuticeps Bailey, 1959 -- invalid -- Sharphead Darter
  Etheostoma aquali Williams and Etnier, 1978 -- invalid -- Coppercheek Darter
  Etheostoma artesiae (Hay, 1881) -- valid -- Redspot Darter
  Etheostoma asprigene (Forbes in Jordan, 1878) -- valid -- Mud Darter
  Etheostoma australe Jordan, 1889 -- valid -- Conchos Darter, perca del Conchos
  Etheostoma baileyi Page and Burr, 1982 -- valid -- Emerald Darter
  Etheostoma barbouri Kuehne and Small, 1971 -- valid -- Teardrop Darter
  Etheostoma barrenense Burr and Page in Page and Burr, 1982 -- valid -- Splendid Darter
  Etheostoma bellator Suttkus and Bailey, 1993 -- valid -- Warrior Darter
  Etheostoma bellum Zorach, 1968 -- invalid -- Orangefin Darter
  Etheostoma bison Ceas and Page, 1997 -- valid -- Buffalo Darter
  Etheostoma blennioides Rafinesque, 1819 -- valid -- Greenside Darter
  Etheostoma blennius Gilbert and Swain in Gilbert, 1887 -- valid -- Blenny Darter
  Etheostoma boschungi Wall and Williams, 1974 -- valid -- Slackwater Darter
  Etheostoma brevirostrum Suttkus and Etnier, 1991 -- valid -- Holiday Darter
  Etheostoma burri Ceas and Page, 1997 -- valid -- Brook Darter
  Etheostoma caeruleum Storer, 1845 -- valid -- Rainbow Darter, dard arc-en-ciel
  Etheostoma camurum (Cope, 1870) -- invalid -- Bluebreast Darter
  Etheostoma chermocki Boschung, Mayden and Tomelleri, 1992 -- valid -- Vermilion Darter
  Etheostoma chienense Page and Ceas in Page, Ceas, Swofford and Buth, 1992 -- valid -- Relict Darter
  Etheostoma chlorobranchium Zorach, 1972 -- invalid -- Greenfin Darter
  Etheostoma chlorosoma (Hay, 1881) -- valid -- Bluntnose Darter
  Etheostoma chlorosomum (Hay, 1881) -- invalid -- Bluntnose Darter
  Etheostoma chuckwachatte Mayden and Wood in Wood and Mayden, 1993 -- invalid -- Lipstick Darter
  Etheostoma cinereum Storer, 1845 -- invalid -- Ashy Darter
  Etheostoma collettei Birdsong and Knapp, 1969 -- valid -- Creole Darter
  Etheostoma collis (Hubbs and Cannon, 1935) -- valid -- Carolina Darter
  Etheostoma colorosum Suttkus and Bailey, 1993 -- valid -- Coastal Darter
  Etheostoma coosae (Fowler, 1945) -- valid -- Coosa Darter
  Etheostoma corona Page and Ceas in Page, Ceas, Swofford and Buth, 1992 -- valid -- Crown Darter
  Etheostoma cragini Gilbert, 1885 -- valid -- Arkansas Darter
  Etheostoma crossopterum Braasch and Mayden, 1985 -- valid -- Fringed Darter
  Etheostoma davisoni Hay, 1885 -- valid -- Choctawhatchee Darter
  Etheostoma denoncourti Stauffer and van Snik, 1997 -- invalid -- Golden Darter
  Etheostoma ditrema Ramsey and Suttkus, 1965 -- valid -- Coldwater Darter
  Etheostoma douglasi Wood and Mayden, 1993 -- invalid -- Tuskalusa Darter, Tuskaloosa Darter
  Etheostoma duryi Henshall, 1889 -- valid -- Black Darter, Blackside Snubnose Darter, Blackside Darter
  Etheostoma edwini (Hubbs and Cannon, 1935) -- valid -- Brown Darter
  Etheostoma etnieri Bouchard, 1977 -- valid -- Cherry Darter
  Etheostoma etowahae Wood and Mayden, 1993 -- invalid -- Etowah Darter
  Etheostoma euzonum (Hubbs and Black, 1940) -- valid -- Arkansas Saddled Darter
  Etheostoma exile (Girard, 1859) -- valid -- Iowa Darter, dard à ventre jaune
  Etheostoma flabellare Rafinesque, 1819 -- valid -- Fantail Darter, dard barré
  Etheostoma flavum Etnier and Bailey, 1989 -- valid -- Saffron Darter
  Etheostoma fonticola (Jordan and Gilbert, 1886) -- valid -- Fountain Darter
  Etheostoma forbesi Page and Ceas in Page, Ceas, Swofford and Buth, 1992 -- valid -- Barrens Darter
  Etheostoma fragi Distler, 1968 -- valid -- Strawberry Darter
  Etheostoma fricksium Hildebrand, 1923 -- valid -- Savannah Darter
  Etheostoma fusiforme (Girard, 1854) -- valid -- Swamp Darter
  Etheostoma gracile (Girard, 1859) -- valid -- Slough Darter
  Etheostoma grahami (Girard, 1859) -- valid -- Rio Grande Darter, perca del Bravo
  Etheostoma histrio Jordan and Gilbert in Gilbert, 1887 -- valid -- Harlequin Darter
  Etheostoma hopkinsi (Fowler, 1945) -- valid -- Christmas Darter
  Etheostoma inscriptum (Jordan and Brayton, 1878) -- valid -- Turquoise Darter
  Etheostoma jessiae (Jordan and Brayton in Jordan, 1878) -- valid -- Blueside Darter
  Etheostoma jordani Gilbert, 1891 -- invalid -- Greenbreast Darter
  Etheostoma juliae Meek, 1891 -- invalid -- Yoke Darter
  Etheostoma kanawhae (Raney, 1941) -- valid -- Kanawha Darter
  Etheostoma kantuckeense Ceas and Page, 1997 -- valid -- Highland Rim Darter
  Etheostoma kennicotti (Putnam, 1863) -- valid -- Stripetail Darter
  Etheostoma lachneri Suttkus and Bailey in Suttkus, Bailey and Bart, 1994 -- valid -- Tombigbee Darter
  Etheostoma lawrencei Ceas and Burr, 2002 -- valid -- Headwater Darter
  Etheostoma lepidum (Baird and Girard, 1853) -- valid -- Greenthroat Darter
  Etheostoma longimanum Jordan, 1888 -- valid -- Longfin Darter
  Etheostoma lugoi Norris and Minckley, 1997 -- valid -- perca de toba, Tufa Darter
  Etheostoma luteovinctum Gilbert and Swain in Gilbert, 1887 -- valid -- Redband Darter
  Etheostoma lynceum Hay in Jordan, 1885 -- valid -- Brighteye Darter
  Etheostoma maculatum Kirtland, 1840 -- invalid -- Spotted Darter
  Etheostoma mariae (Fowler, 1947) -- valid -- Pinewoods Darter
  Etheostoma microlepidum Raney and Zorach, 1967 -- invalid -- Smallscale Darter
  Etheostoma microperca Jordan and Gilbert in Jordan, 1888 -- valid -- Least Darter
  Etheostoma moorei Raney and Suttkus, 1964 -- invalid -- Yellowcheek Darter
  Etheostoma neopterum Howell and Dingerkus, 1978 -- valid -- Lollipop Darter, Lollypop Darter
  Etheostoma nianguae Gilbert and Meek in Gilbert, 1887 -- valid -- Niangua Darter
  Etheostoma nigripinne Braasch and Mayden, 1985 -- valid -- Blackfin Darter
  Etheostoma nigrum Rafinesque, 1820 -- valid -- Johnny Darter, raseux-de-terre noir
  Etheostoma nuchale Howell and Caldwell, 1965 -- valid -- Watercress Darter
  Etheostoma obeyense Kirsch, 1892 -- valid -- Barcheek Darter
  Etheostoma okaloosae (Fowler, 1941) -- valid -- Okaloosa Darter
  Etheostoma olivaceum Braasch and Page, 1979 -- valid -- Sooty Darter, Dirty Darter
  Etheostoma olmstedi Storer, 1842 -- valid -- Tessellated Darter, raseux-de-terre gris
  Etheostoma oophylax Ceas and Page in Page, Ceas, Swofford and Buth, 1992 -- valid -- Guardian Darter
  Etheostoma osburni (Hubbs and Trautman, 1932) -- valid -- Candy Darter, Finescale Saddled Darter
  Etheostoma pallididorsum Distler and Metcalf, 1962 -- valid -- Paleback Darter
  Etheostoma parvipinne Gilbert and Swain in Gilbert, 1887 -- valid -- Goldstripe Darter
  Etheostoma percnurum Jenkins in Jenkins and Burkhead, 1994 -- valid -- Duskytail Darter
  Etheostoma perlongum (Hubbs and Raney, 1946) -- valid -- Waccamaw Darter
  Etheostoma phytophilum Bart and Taylor, 1999 -- valid -- Rush Darter
  Etheostoma podostemone Jordan and Jenkins in Jordan, 1889 -- valid -- Riverweed Darter
  Etheostoma pottsii (Girard, 1859) -- valid -- Mexican Darter, perca mexicana
  Etheostoma proeliare (Hay, 1881) -- valid -- Cypress Darter
  Etheostoma pseudovulatum Page and Ceas in Page, Ceas, Swofford and Buth, 1992 -- valid -- Egg-mimic Darter
  Etheostoma punctulatum (Agassiz, 1854) -- valid -- Stippled Darter
  Etheostoma pyrrhogaster Bailey and Etnier, 1988 -- valid -- Firebelly Darter
  Etheostoma radiosum (Hubbs and Black, 1941) -- valid -- Orangebelly Darter
  Etheostoma rafinesquei Burr and Page in Page and Burr, 1982 -- valid -- Kentucky Darter, Kentucky Snubnose Darter
  Etheostoma ramseyi Suttkus and Bailey in Suttkus, Bailey and Bart, 1994 -- valid -- Alabama Darter
  Etheostoma raneyi Suttkus and Bart in Suttkus, Bailey and Bart, 1994 -- valid -- Yazoo Darter
  Etheostoma rubrum Raney and Suttkus, 1966 -- invalid -- Bayou Darter
  Etheostoma rufilineatum (Cope, 1870) -- invalid -- Redline Darter
  Etheostoma rupestre Gilbert and Swain in Gilbert, 1887 -- valid -- Rock Darter
  Etheostoma sagitta (Jordan and Swain, 1883) -- valid -- Arrow Darter, Cumberland Arrow Darter
  Etheostoma sanguifluum (Cope, 1870) -- invalid -- Bloodfin Darter
  Etheostoma scotti Bauer, Etnier and Burkhead, 1995 -- valid -- Cherokee Darter
  Etheostoma segrex Norris and Minckley, 1997 -- valid -- perca del Salado, Salado Darter
  Etheostoma sellare (Radcliffe and Welsh, 1913) -- valid -- Maryland Darter
  Etheostoma serrifer (Hubbs and Cannon, 1935) -- valid -- Sawcheek Darter
  Etheostoma simoterum (Cope, 1868) -- valid -- Snubnose Darter, Tennessee Snubnose Darter
  Etheostoma smithi Page and Braasch, 1976 -- valid -- Slabrock Darter
  Etheostoma spectabile (Agassiz, 1854) -- valid -- Orangethroat Darter
  Etheostoma squamiceps Jordan, 1877 -- valid -- Spottail Darter
  Etheostoma stigmaeum (Jordan, 1877) -- valid -- Speckled Darter
  Etheostoma striatulum Page and Braasch, 1977 -- valid -- Striated Darter
  Etheostoma swaini (Jordan, 1884) -- valid -- Gulf Darter
  Etheostoma swannanoa Jordan and Evermann in Jordan, 1889 -- valid -- Swannanoa Darter
  Etheostoma tallapoosae Suttkus and Etnier, 1991 -- valid -- Tallapoosa Darter
  Etheostoma tecumsehi Ceas and Page, 1997 -- valid -- Shawnee Darter
  Etheostoma tetrazonum (Hubbs and Black, 1940) -- valid -- Missouri Saddled Darter
  Etheostoma thalassinum (Jordan and Brayton, 1878) -- valid -- Seagreen Darter
  Etheostoma tippecanoe Jordan and Evermann, 1890 -- invalid -- Tippecanoe Darter
  Etheostoma trisella Bailey and Richards, 1963 -- valid -- Trispot Darter
  Etheostoma tuscumbia Gilbert and Swain in Gilbert, 1887 -- valid -- Tuscumbia Darter
  Etheostoma uniporum Distler, 1968 -- valid -- Current Darter
  Etheostoma variatum Kirtland, 1840 -- valid -- Variegate Darter
  Etheostoma virgatum (Jordan, 1880) -- valid -- Striped Darter
  Etheostoma vitreum (Cope, 1870) -- valid -- Glassy Darter
  Etheostoma vulneratum (Cope, 1870) -- invalid -- Wounded Darter
  Etheostoma wapiti Etnier and Williams, 1989 -- invalid -- Boulder Darter, Elk River Darter
  Etheostoma whipplei (Girard, 1859) -- valid -- Redfin Darter
  Etheostoma zonale (Cope, 1868) -- valid -- Banded Darter
  Etheostoma zonifer (Hubbs and Cannon, 1935) -- valid -- Backwater Darter
  Etheostoma zonistium Bailey and Etnier, 1988 -- valid -- Bandfin Darter
  Etmopteridae Fowler, 1934 -- valid -- lantern sharks, requins-lanternes, tiburones luceros
  Etmopterus bigelowi Shirai and Tachikawa, 1993 -- valid -- blurred smooth lantern shark, blurred lantern shark
  Etmopterus gracilispinis Krefft, 1968 -- valid -- broadband lantern shark, broadband dogfish, broadbanded lanternshark
  Etropus crossotus Jordan & Gilbert, 1882 -- valid -- fringed flounder, lenguado orlado, lenguado ribete, Fringed Flounder
  Etropus cyclosquamus Leslie & Stewart, 1986 -- valid -- shelf flounder, Shelf Flounder
  Etropus microstomus (Gill, 1864) -- valid -- smallmouth flounder, Smallmouth Flounder
  Etropus peruvianus Hildebrand, 1946 -- valid -- lenguado zapatilla, Peruvian flounder, Peruvian Flounder
  Etropus rimosus Goode & Bean, 1885 -- valid -- gray flounder, lenguado sombreado, Gray Flounder
  Etrumeus teres (DeKay, 1842) -- valid -- round herring, sardina japonesa, sardina canalera, red-eye round herring, Maray, Atlantic red herring
  Eucinostomus argenteus Baird and Girard in Baird, 1855 -- valid -- spotfin mojarra, mojarra plateada
  Eucinostomus currani Zahuranec in Yáñez-Arancibia, 1980 -- valid -- mojarra tricolor, Pacific flagfin mojarra
  Eucinostomus dowii (Gill, 1863) -- valid -- mojarra manchita, Pacific spotfin mojarra
  Eucinostomus entomelas Zahuranec in Yáñez-Arancibia, 1980 -- valid -- darkspot mojarra, mojarra mancha negra
  Eucinostomus gracilis (Gill, 1862) -- valid -- graceful mojarra, mojarra charrita
  Eucinostomus gula (Quoy and Gaimard, 1824) -- valid -- silver jenny, mojarra de ley, mojarra española
  Eucinostomus harengulus Goode and Bean, 1879 -- valid -- tidewater mojarra, mojarra costera
  Eucinostomus havana (Nichols, 1912) -- valid -- bigeye mojarra, mojarrita manchada, mojarra cubana
  Eucinostomus jonesii (Günther, 1879) -- valid -- slender mojarra, mojarrita esbelta, mojarra flaca
  Eucinostomus lefroyi (Goode, 1874) -- valid -- mottled mojarra, mojarrita, mojarra pinta
  Eucinostomus melanopterus (Bleeker, 1863) -- valid -- flagfin mojarra, mojarra bandera, mojarra de ley
  Eucryphycus californicus (Starks and Mann, 1911) -- valid -- persimmon eelpout
  Eucyclogobius newberryi (Girard, 1856) -- valid -- Tidewater Goby, Northern Tidewater Goby
  Eugerres axillaris (Günther, 1864) -- valid -- black axillary mojarra, mojarra malacapa
  Eugerres brasilianus (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- Brazilian mojarra, patao brasileño, mojarra brasileña
  Eugerres brevimanus (Günther, 1864) -- valid -- mojarra aleta corta, shortfin mojarra
  Eugerres lineatus (Humboldt in Humboldt and Valenciennes, 1821) -- valid -- mojarra china, streaked mojarra
  Eugerres mexicanus (Steindachner, 1863) -- valid -- Mexican mojarra, mojarra mexicana
  Eugerres plumieri (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- patao rayado, striped mojarra, mojarra rayada
  Euleptorhamphus velox Poey, 1868 -- valid -- agujeta voladora, flying halfbeak, escribano volador
  Euleptorhamphus viridis (van Hasselt, 1823) -- valid -- ribbon halfbeak, agujeta alargada, longbeaked garfish
  Eumecichthys fiski (Günther, 1890) -- valid -- unicorn crestfish, unicornfish
  Eumesogrammus praecisus (Krøyer, 1836) -- valid -- fourline snakeblenny, quatre-lignes atlantique
  Eumicrotremus andriashevi Perminov, 1936 -- valid -- pimpled lumpsucker
  Eumicrotremus asperrimus (Tanaka, 1912) -- valid -- Siberian lumpsucker
  Eumicrotremus barbatus (Lindberg and Legeza, 1955) -- valid -- papillose lumpsucker
  Eumicrotremus derjugini Popov, 1926 -- valid -- leatherfin lumpsucker, petite poule de mer Arctique
  Eumicrotremus eggvinii Koefoed, 1956 -- valid -- Eggvin lumpsucker
  Eumicrotremus gyrinops (Garman, 1892) -- valid -- Alaskan lumpsucker
  Eumicrotremus orbis (Günther, 1861) -- valid -- Pacific spiny lumpsucker
  Eumicrotremus phrynoides Gilbert and Burke, 1912 -- valid -- toad lumpsucker
  Eumicrotremus spinosus (Fabricius in Müller, 1776) -- valid -- Atlantic spiny lumpsucker, petite poule de mer atlantique
  Eumicrotremus terraenovae Myers and Böhlke, 1950 -- valid -- Newfoundland spiny lumpsucker
  Euprotomicrus bispinatus (Quoy and Gaimard, 1824) -- valid -- tiburón pigmeo, pygmy shark
  Eurymen gyrinus Gilbert and Burke, 1912 -- valid -- smoothcheek sculpin
  Euthynnus affinis (Cantor, 1849) -- valid -- kawakawa, bacoreta oriental, thonine orientale
  Euthynnus alletteratus (Rafinesque, 1810) -- valid -- little tunny, comevíveres, bacoreta, little tuna, thonine commune, false albacore
  Euthynnus lineatus Kishinouye, 1920 -- valid -- black skipjack, barrilete negro, thonine noire
  Evarra bustamantei Navarro, 1955 -- valid -- carpa xochimilca, Mexican Chub
  Evarra eigenmanni Woolman, 1894 -- valid -- Plateau Chub, carpa verde
  Evarra tlahuacensis Meek, 1902 -- valid -- Endorheic Chub, carpa de Tláhuac
  Evermannia longipinnis (Steindachner, 1879) -- valid -- enigmatic goby, gobio enigmático
  Evermannia zosterura (Jordan and Gilbert, 1882) -- valid -- gobio colirrayada, bandedtail goby
  Evermannichthys spongicola (Radcliffe, 1917) -- valid -- sponge goby, gobio esponjero
  Evorthodus lyricus (Girard, 1858) -- valid -- lyre goby, gobio lira, tismiche
  Evorthodus minutus Meek and Hildebrand, 1928 -- valid -- gobio pequeño, small goby
  Evoxymetopon taeniatus Gill, 1863 -- valid -- tirante, tyrant fish, channel scabbardfish
  Exerpes asper (Jenkins and Evermann, 1889) -- valid -- sargassum blenny, trambollo sargacero
  Exocoetidae -- valid -- flyingfishes, exocets, voladores
  Exocoetus monocirrhus Richardson, 1846 -- valid -- barbel flyingfish, volador barbudo
  Exocoetus obtusirostris Günther, 1866 -- valid -- oceanic two-wing flyingfish, volador flecha, volador oceánico
  Exocoetus volitans Linnaeus, 1758 -- valid -- tropical two-wing flyingfish, volador tropical
  Exoglossum laurae (Hubbs, 1931) -- valid -- Tonguetied Minnow
  Exoglossum maxillingua (Lesueur, 1817) -- valid -- cutlips minnow, Cutlip Minnow, bec-de-lièvre
  Facciolella equatorialis (Gilbert, 1891) -- valid -- dogface witch eel, serpentina bruja
  Fenestraja sinusmexicanus (Bigelow and Schroeder, 1950) -- valid -- Gulf of Mexico pygmy skate, Gulf skate, raya pigmea
  Fistularia commersonii Rüppell, 1838 -- valid -- corneta pintada, reef cornetfish
  Fistularia corneta Gilbert and Starks, 1904 -- valid -- corneta flautera, deepwater cornetfish
  Fistularia petimba Lacepède, 1803 -- valid -- Pacific cornetfish, red cornetfish, smooth flutemouth, trompetero, corneta colorada
  Fistularia tabacaria Linnaeus, 1758 -- valid -- bluespotted cornetfish, tobacco trumpetfish, pez corneta, corneta azul
  Fistulariidae -- valid -- cornetfishes, cornetas, fistulaires
  Floridichthys carpio (Günther, 1866) -- valid -- ocellated killifish, goldspotted killifish
  Floridichthys polyommus Hubbs, 1936 -- valid -- ocellated killifish, bolín yucateco
  Fodiator acutus (Valenciennes in Cuvier and Valenciennes, 1847) -- valid -- volador picudo, sharpchin flyingfish
  Foetorepus agassizii (Goode and Bean in Agassiz, 1888) -- valid -- spotfin dragonet
  Foetorepus goodenbeani Nakabo and Hartel, 1999 -- valid -- palefin dragonet
  Forbesichthys agassizii (Putnam, 1872) -- valid -- spring cavefish
  Forcipiger flavissimus Jordan and McGregor in Jordan and Evermann, 1898 -- valid -- longnose butterflyfish, forcepsfish, mariposa hocicona
  Fundulidae Jordan and Gilbert, 1882 -- valid -- fundulines, fondules, sardinillas, killifishes, topminnows
  Fundulus albolineatus Gilbert, 1891 -- valid -- whiteline topminnow
  Fundulus bifax Cashner and Rogers in Cashner, Rogers and Grady, 1988 -- valid -- stippled studfish
  Fundulus blairae Wiley and Hall, 1975 -- valid -- southern starhead topminnow, western starhead topminnow
  Fundulus catenatus (Storer, 1846) -- valid -- northern studfish
  Fundulus chrysotus (Günther, 1866) -- valid -- golden topminnow
  Fundulus cingulatus Valenciennes in Cuvier and Valenciennes, 1846 -- valid -- banded topminnow
  Fundulus confluentus Goode and Bean in Goode, 1879 -- valid -- marsh killifish
  Fundulus diaphanus (Lesueur, 1817) -- valid -- banded killifish, fondule barré
  Fundulus dispar (Agassiz, 1854) -- valid -- starhead topminnow, northern starhead topminnow
  Fundulus escambiae (Bollman, 1887) -- valid -- russetfin topminnow
  Fundulus euryzonus Suttkus and Cashner, 1981 -- valid -- broadstripe topminnow
  Fundulus grandis Baird and Girard, 1853 -- valid -- sardinilla del Pánuco, Gulf killifish
  Fundulus grandissimus Hubbs, 1936 -- valid -- giant killifish, sardinilla gigante
  Fundulus heteroclitus (Linnaeus, 1766) -- valid -- mummichog, choquemort
  Fundulus jenkinsi (Evermann, 1892) -- valid -- saltmarsh topminnow, sardinilla del Bravo
  Fundulus julisia Williams and Etnier, 1982 -- valid -- Barrens topminnow
  Fundulus kansae Garman, 1895 -- valid -- northern plains killifish
  Fundulus lima Vaillant, 1894 -- valid -- Baja California killifish, sardinilla peninsular
  Fundulus lineolatus (Agassiz, 1854) -- valid -- lined topminnow
  Fundulus luciae (Baird, 1855) -- valid -- spotfin killifish
  Fundulus majalis (Walbaum, 1792) -- valid -- striped killifish
  Fundulus notatus (Rafinesque, 1820) -- valid -- blackstripe topminnow
  Fundulus nottii (Agassiz, 1854) -- invalid -- bayou topminnow, starhead topminnow, Gulf starhead topminnow
  Fundulus olivaceus (Storer, 1845) -- valid -- blackspotted topminnow
  Fundulus parvipinnis Girard, 1854 -- valid -- California killifish, sardinilla chococo
  Fundulus persimilis Miller, 1955 -- valid -- sardinilla yucateca, Yucatan killifish
  Fundulus pulvereus (Evermann, 1892) -- valid -- bayou killifish, sardinilla mulata
  Fundulus rathbuni Jordan and Meek in Jordan, 1889 -- valid -- speckled killifish
  Fundulus rubrifrons (Jordan, 1880) -- invalid -- redface topminnow
  Fundulus sciadicus Cope, 1865 -- valid -- plains topminnow
  Fundulus seminolis Girard, 1859 -- valid -- Seminole killifish
  Fundulus similis (Baird and Girard, 1853) -- valid -- sardinilla narigona, longnose killifish
  Fundulus stellifer (Jordan, 1877) -- invalid -- southern studfish
  Fundulus waccamensis Hubbs and Raney, 1946 -- valid -- Waccamaw killifish
  Fundulus zebrinus Jordan and Gilbert, 1883 -- valid -- plains killifish
  Gadidae Rafinesque, 1810 -- valid -- codfishes, true cods, bacalaos, morues, cods
  Gadiformes -- valid -- grenadiers, merlus, morues, gadiforms, cods, hakes
  Gadus macrocephalus Tilesius, 1810 -- valid -- morue du Pacifique, bacalao del Pacifico, Pacific cod
  Gadus morhua Linnaeus, 1758 -- valid -- morue de l'Atlantique, bacalao del Atlántico, cod, rock cod, morue franche, Atlantic cod
  Gadus ogac Richardson, 1836 -- valid -- ogac, bacalao de Groenlandia, morue ogac, ogac, Greenland cod
  Galeichthys peruvianus Lütken, 1874 -- valid -- Peruvian sea catfish, bagre de faja
  Galeocerdo cuvier (Péron and Lesueur in Lesueur, 1822) -- valid -- tintorera, tiger shark, tiburón tigre
  Galeorhinus galeus (Linnaeus, 1758) -- valid -- tiburón aceitoso, tope, tope shark
  Galeus arae (Nichols, 1927) -- valid -- marbled cat shark, gatica manchada, marbled catshark, roughtail cat shark, roughtail catshark
  Gambusia affinis (Baird and Girard, 1853) -- valid -- mosquitofish, western mosquitofish, guayacón mosquito
  Gambusia alvarezi Hubbs and Springer, 1957 -- valid -- guayacón de San Gregorio, yellowfin gambusia
  Gambusia amistadensis Peden, 1973 -- valid -- Amistad gambusia
  Gambusia atrora Rosen and Bailey, 1963 -- valid -- blackfin gambusia, guayacón de San Luis
  Gambusia aurata Miller and Minckley, 1970 -- valid -- golden gambusia, guayacón dorado
  Gambusia eurystoma Miller, 1975 -- valid -- guayacón del Azufre, widemouth gambusia
  Gambusia gaigei Hubbs, 1929 -- valid -- Big Bend gambusia
  Gambusia geiseri Hubbs and Hubbs in Hubbs and Springer, 1957 -- valid -- largespring gambusia
  Gambusia georgei Hubbs and Peden, 1969 -- valid -- San Marcos gambusia
  Gambusia heterochir Hubbs, 1957 -- valid -- Clear Creek gambusia
  Gambusia holbrooki Girard, 1859 -- invalid -- eastern mosquitofish
  Gambusia hurtadoi Hubbs and Springer, 1957 -- valid -- crescent gambusia, guayacón de Hacienda de Dolores
  Gambusia krumholzi Minckley, 1963 -- valid -- guayacón del Nava, spotfin gambusia
  Gambusia longispinis Minckley, 1962 -- valid -- Cuatro Cienegas gambusia, guayacón de Cuatro Ciénegas
  Gambusia marshi Minckley and Craddock in Minckley, 1962 -- valid -- guayacón de Nadadores, robust gambusia
  Gambusia nobilis (Baird and Girard, 1853) -- valid -- Pecos gambusia
  Gambusia panuco Hubbs, 1926 -- valid -- guayacón del Pánuco, Panuco gambusia
  Gambusia regani Hubbs, 1926 -- valid -- Forlon gambusia, guayacón del Forlón
  Gambusia rhizophorae Rivas, 1969 -- valid -- mangrove gambusia
  Gambusia senilis Girard, 1859 -- valid -- blotched gambusia, guayacón del Bravo
  Gambusia sexradiata Hubbs, 1936 -- valid -- guayacón del sureste, stippled gambusia
  Gambusia speciosa Girard, 1859 -- valid -- southwestern mosquitofish, guayacón de Nuevo León, Tex-Mex gambusia
  Gambusia vittata Hubbs, 1926 -- valid -- guayacón de Victoria, Gulf gambusia
  Gambusia yucatana Regan, 1914 -- valid -- yucatan gambusia, guayacón yucateco, Yucatan gambusia
  Gasterosteidae -- valid -- épinoches, espinochos, sticklebacks
  Gasterosteus aculeatus Linnaeus, 1758 -- valid -- Alaskan stickleback, threespine stickleback, espinocho, épinoche à trois épines
  Gasterosteus wheatlandi Putnam, 1867 -- valid -- blackspotted stickleback, épinoche tachetée
  Gastropsetta frontalis Bean, 1895 -- valid -- shrimp flounder, lenguado gambero, Shrimp Flounder
  Gempylidae -- valid -- snake mackerels, escolares, escolars
  Gempylus serpens Cuvier, 1829 -- valid -- snake mackerel, dómine añil, escolar de canal
  Genyonemus lineatus (Ayres, 1855) -- valid -- white croaker, corvineta blanca
  Geophagus surinamensis (Bloch, 1791) -- valid -- redstriped eartheater
  Gephyroberyx darwinii (Johnson, 1866) -- valid -- big roughie, carajuelo de fondo, big roughy
  Gerreidae -- valid -- mojarras, blanches, mojarras
  Gerres cinereus (Walbaum, 1792) -- valid -- yellowfin mojarra, mojarra blanca, mojarra trompetera
  Gibbonsia elegans (Cooper, 1864) -- valid -- spotted kelpfish, sargacero manchado
  Gibbonsia metzi Hubbs, 1927 -- valid -- striped kelpfish, sargacero rayado
  Gibbonsia montereyensis Hubbs, 1927 -- valid -- crevice kelpfish, scarlet kelpfish, sargacero de Monterey
  Gila alvordensis Hubbs and Miller, 1972 -- invalid -- Alvord chub
  Gila atraria (Girard, 1856) -- valid -- Utah Chub
  Gila bicolor (Girard, 1856) -- invalid -- tui chub
  Gila boraxobius Williams and Bond, 1980 -- invalid -- Borax Lake chub
  Gila brevicauda Norris, Fischer and Minckley, 2003 -- valid -- Shorttail Chub, carpa colicorta
  Gila coerulea (Girard, 1856) -- valid -- blue chub
  Gila conspersa Garman, 1881 -- valid -- carpa Mayrán, Nazas Chub
  Gila crassicauda (Baird and Girard in Girard, 1854) -- valid -- Thicktail Chub
  Gila cypha Miller, 1946 -- valid -- Humpback Chub
  Gila ditaenia Miller, 1945 -- valid -- Sonora Chub, carpa sonorense
  Gila elegans Baird and Girard, 1853 -- valid -- Bonytail, bonytail chub, carpa elegante
  Gila eremica DeMarais, 1991 -- valid -- Desert Chub, carpa del desierto
  Gila intermedia (Girard, 1856) -- invalid -- Gila chub, carpa del Gila
  Gila minacae Meek, 1902 -- valid -- Mexican Roundtail Chub, carpa cola redonda mexicana
  Gila modesta (Garman, 1881) -- valid -- Saltillo Chub, carpa de Saltillo
  Gila nigra Cope in Cope and Yarrow, 1875 -- invalid -- headwater chub
  Gila nigrescens (Girard, 1856) -- valid -- Chihuahua Chub, carpa de Chihuahua
  Gila orcuttii (Eigenmann and Eigenmann, 1890) -- valid -- Arroyo Chub
  Gila pandora (Cope, 1872) -- valid -- Rio Grande Chub
  Gila pulchra (Girard, 1856) -- valid -- Conchos Chub, carpa del Conchos
  Gila purpurea (Girard, 1856) -- valid -- Yaqui Chub, carpa púrpura
  Gila robusta Baird and Girard, 1853 -- valid -- carpa cola redonda, Roundtail Chub
  Gila seminuda Cope and Yarrow, 1875 -- valid -- Virgin Chub, Virgin River chub
  Gillellus arenicola Gilbert, 1890 -- valid -- miraestrellas fina, sandloving stargazer
  Gillellus greyae Kanazawa, 1952 -- valid -- arrow stargazer, mirón flecha, miraestrellas flecha
  Gillellus healae Dawson, 1982 -- valid -- masked stargazer
  Gillellus ornatus Gilbert, 1892 -- valid -- miraestrellas ornada, ornate stargazer
  Gillellus searcheri Dawson, 1977 -- valid -- miraestrellas rayada, Searcher stargazer
  Gillellus semicinctus Gilbert, 1890 -- valid -- halfbanded stargazer, miraestrellas mediafranjada
  Gillellus uranidea Böhlke, 1968 -- valid -- warteye stargazer, miraestrellas ojiverrugado
  Gillichthys mirabilis Cooper, 1864 -- valid -- longjaw mudsucker, chupalodo grande
  Gillichthys seta (Ginsburg, 1938) -- valid -- chupalodo chico, shortjaw mudsucker
  Ginglymostoma cirratum (Bonnaterre, 1788) -- valid -- nurse shark, tiburón gata
  Ginglymostomatidae Gill, 1862 -- valid -- gatas, requins-nourrices, nurse sharks
  Ginsburgellus novemlineatus (Fowler, 1950) -- valid -- ninelined goby, ninelined goby, gobio nueve rayas
  Girardinichthys multiradiatus (Meek, 1904) -- valid -- darkedged splitfin, mexcalpique de Zempoala
  Girardinichthys viviparus (Bustamante, 1837) -- valid -- Chapultepec splitfin, mexcalpique
  Girella nigricans (Ayres, 1860) -- valid -- opaleye, chopa verde
  Girella simplicidens Osburn and Nichols, 1916 -- valid -- chopa ojo azul, Gulf opaleye
  Glossanodon pygmaeus Cohen, 1958 -- valid -- pygmy argentine
  Glyptocephalus cynoglossus (Linnaeus, 1758) -- valid -- witch flounder, gray sole, plie grise, Witch Flounder
  Glyptocephalus zachirus Lockington, 1879 -- valid -- platija rey, rex sole, plie royale, Rex Sole
  Gnathagnus egregius (Jordan and Thompson, 1905) -- invalid -- freckled stargazer
  Gnathanodon speciosus (Forsskål, 1775) -- valid -- mojarra dorada, yellow jack, golden trevally, jurel dorado
  Gnatholepis thompsoni Jordan, 1904 -- valid -- goldspot goby, gobio puntidorado, gobio puntadorada
  Gnathophis bathytopos Smith and Kanazawa, 1977 -- valid -- blackgut conger
  Gnathophis bracheatopos Smith and Kanazawa, 1977 -- valid -- longeye conger
  Gnathophis cinctus (Garman, 1899) -- valid -- hardtail conger, congrio cola tiesa
  Gobiesocidae -- valid -- clingfishes, chupapiedras, crampons
  Gobiesox adustus Jordan and Gilbert, 1882 -- valid -- chupapiedra panámica, Panamic clingfish
  Gobiesox aethus (Briggs, 1951) -- valid -- chupapiedra de Clarión, Clarion clingfish
  Gobiesox barbatulus Starks, 1913 -- valid -- chupapiedra aristada, lappetlip clingfish
  Gobiesox canidens (Briggs, 1951) -- valid -- chupapiedra de Socorro, Socorro clingfish
  Gobiesox eugrammus Briggs, 1955 -- valid -- chupapiedra estriada, lined clingfish
  Gobiesox fluviatilis Briggs and Miller, 1960 -- valid -- cucharita de río, mountain clingfish
  Gobiesox juniperoserrai Espinosa Pérez and Castro-Aguirre, 1996 -- valid -- cucharita peninsular, peninsular clingfish
  Gobiesox maeandricus (Girard, 1858) -- valid -- chupapiedra norteña, northern clingfish
  Gobiesox marijeanae Briggs, 1960 -- valid -- chupapiedra solita, lonely clingfish
  Gobiesox mexicanus Briggs and Miller, 1960 -- valid -- cucharita mexicana, Mexican clingfish
  Gobiesox papillifer Gilbert, 1890 -- valid -- bearded clingfish, chupapiedra barbona
  Gobiesox pinniger Gilbert, 1890 -- valid -- chupapiedra renacuajo, tadpole clingfish
  Gobiesox punctulatus (Poey, 1876) -- valid -- chupapiedra punteada, stippled clingfish, pequita punteada
  Gobiesox rhessodon Smith, 1881 -- valid -- California clingfish, chupapiedra californiana
  Gobiesox schultzi Briggs, 1951 -- valid -- chupapiedra labioliso, smoothlip clingfish
  Gobiesox strumosus Cope, 1870 -- valid -- skilletfish, cazoleta
  Gobiidae -- valid -- true gobies, gobies, gobios, gobies
  Gobiomorus dormitor Lacepède, 1800 -- valid -- bigmouth sleeper, guavina de ley, guavina bocón
  Gobiomorus maculatus (Günther, 1859) -- valid -- dormilón manchado, Pacific sleeper
  Gobiomorus polylepis Ginsburg, 1953 -- valid -- finescale sleeper, guavina cristalina
  Gobionellus microdon (Gilbert, 1892) -- valid -- gobio cola de palma, palmtail goby
  Gobionellus oceanicus (Pallas, 1770) -- valid -- highfin goby, sharptail goby, slim goby, esmeralda de mar, madrejuile flecha
  Gobiosoma bosc (Lacepède, 1800) -- valid -- naked goby, gobio desnudo
  Gobiosoma chiquita (Jenkins and Evermann, 1889) -- valid -- gobio chiquito, Sonora goby
  Gobiosoma ginsburgi Hildebrand and Schroeder, 1928 -- valid -- seaboard goby
  Gobiosoma grosvenori (Robins, 1964) -- valid -- rockcut goby
  Gobiosoma longipala Ginsburg, 1933 -- valid -- twoscale goby
  Gobiosoma nudum (Meek and Hildebrand, 1928) -- valid -- gobio bulto, knobchin goby
  Gobiosoma paradoxum (Günther, 1861) -- valid -- gobio paradoja, paradox goby
  Gobiosoma robustum Ginsburg, 1933 -- valid -- code goby, gobio clave
  Gobiosoma yucatanum Dawson, 1971 -- valid -- gobio yucateco, Yucatan goby
  Gobulus crescentalis (Gilbert, 1892) -- valid -- crescent goby, gobio creciente
  Gobulus hancocki Ginsburg, 1938 -- valid -- gobio invertido, sandtop goby
  Gobulus myersi Ginsburg, 1939 -- valid -- paleback goby
  Gonioplectrus hispanus (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- Spanish flag, biajaiba de lo alto, cherna bandera
  Goodea atripinnis Jordan, 1880 -- valid -- blackfin goodea, tiro
  Goodea gracilis Hubbs and Turner, 1939 -- valid -- dusky goodea, tiro oscuro
  Goodea luitpoldii (Steindachner, 1894) -- valid -- green goodea, tiro de Pátzcuaro
  Goodeidae Jordan, 1923 -- valid -- goodeid topminnows, goodéidés, mexcalpiques, goodeids, splitfins
  Gordiichthys ergodes McCosker, Böhlke and Böhlke, 1989 -- valid -- irksome eel, tieso fastidioso
  Gordiichthys irretitus Jordan and Davis, 1891 -- valid -- horsehair eel, tieso pelo de burro
  Gordiichthys leibyi McCosker and Böhlke, 1984 -- valid -- string eel, tieso bobo
  Gorgasia punctata Meek and Hildebrand, 1923 -- valid -- peppered garden eel, congrio punteado
  Gramma linki Starck and Colin, 1978 -- valid -- linki, yellowlined basslet, cabrilleta mejilla amarilla, yellowcheek basslet
  Gramma loreto Poey, 1868 -- valid -- fairy basslet, royal gramma, fairy basslet, loreto, royal gramma
  Gramma melacara Böhlke and Randall, 1963 -- valid -- blackcap basslet, blackcap basslet, gramma violeta, cabrilleta violeta
  Grammatidae -- valid -- basslets, cabrilletas, grammatidés
  Grammicolepis brachiusculus Poey, 1873 -- valid -- thorny tinselfish, oropel
  Grammonus claudei (de la Torre y Huerta, 1930) -- valid -- brótula parda, reef-cave brotula
  Grammonus diagrammus (Heller and Snodgrass, 1903) -- valid -- brótula púrpura, purple brotula
  Guavina guavina (Valenciennes in Cuvier and Valenciennes, 1837) -- valid -- guavina, guavina cabezona, guavina, Atlantic gauvina
  Gunterichthys longipenis Dawson, 1966 -- valid -- gold brotula
  Gymnachirus melas Nichols, 1916 -- valid -- naked sole, suela desnuda, Naked Sole
  Gymnachirus nudus Kaup, 1858 -- valid -- acedía nudosa, flabby sole, suela fofa, Flabby Sole
  Gymnachirus texae (Gunter, 1936) -- valid -- fringed sole, suela texana, Fringed Sole
  Gymnelus hemifasciatus Andriashev, 1937 -- valid -- halfbarred pout
  Gymnelus popovi (Taranetz and Andriashev, 1935) -- valid -- Aleutian pout
  Gymnelus retrodorsalis Le Danois, 1913 -- valid -- aurora pout
  Gymnelus viridis (Fabricius, 1780) -- valid -- fish doctor, unernak caméléon
  Gymnocanthus detrisus Gilbert and Burke, 1912 -- valid -- purplegray sculpin
  Gymnocanthus galeatus Bean, 1881 -- valid -- armorhead sculpin
  Gymnocanthus pistilliger (Pallas, 1814) -- valid -- thread sculpin, threaded sculpin
  Gymnocanthus tricuspis (Reinhardt, 1830) -- valid -- Arctic staghorn sculpin, tricorne arctique
  Gymnocephalus cernuus (Linnaeus, 1758) -- valid -- blacktail, ruffe, pope
  Gymnoclinus cristulatus Gilbert and Burke, 1912 -- valid -- trident prickleback
  Gymnomuraena zebra (Shaw in Shaw and Nodder, 1797) -- valid -- zebra moray, morena cebra
  Gymnothorax castaneus (Jordan and Gilbert, 1883) -- valid -- Panamic green moray, morena verde panámica
  Gymnothorax conspersus Poey, 1867 -- valid -- saddled moray
  Gymnothorax dovii (Günther, 1870) -- valid -- finespotted moray, morena pintita
  Gymnothorax equatorialis (Hildebrand, 1946) -- valid -- spottail moray, morena cola pintada
  Gymnothorax funebris Ranzani, 1839 -- valid -- green moray, morena verde
  Gymnothorax hubbsi Böhlke and Böhlke, 1977 -- valid -- lichen moray, morena liquen
  Gymnothorax kolpos Böhlke and Böhlke, 1980 -- valid -- blacktail moray, morena cola negra
  Gymnothorax maderensis (Johnson, 1862) -- valid -- sharktooth moray
  Gymnothorax miliaris (Kaup, 1856) -- valid -- goldentail moray, morena de cola dorada, morena cola dorada, conger moray
  Gymnothorax mordax (Ayres, 1859) -- valid -- California moray, morena de California
  Gymnothorax moringa (Cuvier, 1829) -- valid -- spotted moray, morena manchada
  Gymnothorax nigromarginatus (Girard, 1858) -- valid -- blackedge moray, morena de margen negro
  Gymnothorax ocellatus Agassiz in Spix and Agassiz, 1831 -- valid -- Caribbean ocellated moray, moray eel, morena ocelada, spotted moray, ocellated moray
  Gymnothorax panamensis (Steindachner, 1876) -- valid -- masked moray, morena mapache
  Gymnothorax polygonius Poey, 1875 -- valid -- reticulated moray eel, polygon moray, morena de polígonos, morena polígona
  Gymnothorax saxicola Jordan and Davis, 1891 -- valid -- honeycomb moray, ocellated moray, morena punteada, morena panal
  Gymnothorax verrilli (Jordan and Gilbert, 1883) -- valid -- white-edged moray, morena de borde blanco
  Gymnothorax vicinus (Castelnau, 1855) -- valid -- purplemouth moray, morena de boca púrpura, morena amarilla
  Gymnotidae -- valid -- knife-fishes, electric eels, cuchillos, nakedback knifefishes, poissons-couteaux, naked-back knifefishes
  Gymnotus maculosus Albert and Miller, 1995 -- valid -- cuchillo, spotted knifefish
  Gymnura altavela (Linnaeus, 1758) -- valid -- raya de papel, spiny butterfly ray
  Gymnura crebripunctata (Peters, 1869) -- valid -- longsnout butterfly ray, raya mariposa picuda
  Gymnura marmorata (Cooper, 1864) -- valid -- raya mariposa californiana, California butterfly ray
  Gymnura micrura (Bloch and Schneider, 1801) -- valid -- raya cola de rata, smooth butterfly ray
  Gymnuridae Fowler, 1934 -- valid -- raies-papillons, rayas mariposa, butterfly rays
  Haemulidae -- valid -- grunts, burros y roncos, grogneurs
  Haemulon album Cuvier in Cuvier and Valenciennes, 1830 -- valid -- margate, jallao, ronco jallao
  Haemulon aurolineatum Cuvier in Cuvier and Valenciennes, 1830 -- valid -- tomtate, jeniguano bocón, ronco jeníguaro
  Haemulon bonariense Cuvier in Cuvier and Valenciennes, 1830 -- valid -- black grunt, ronco prieto
  Haemulon carbonarium Poey, 1860 -- valid -- caesar grunt, ronco carbonero
  Haemulon chrysargyreum Günther, 1859 -- valid -- smallmouth grunt, jeníguano amarillo, ronco boquichica
  Haemulon flaviguttatum Gill, 1862 -- valid -- Cortez grunt, burro de Cortés
  Haemulon flavolineatum (Desmarest, 1823) -- valid -- French grunt, ronco condenado
  Haemulon macrostomum Günther, 1859 -- valid -- Spanish grunt, jeníguano español
  Haemulon maculicauda (Gill, 1862) -- valid -- spottail grunt, burro rasposo
  Haemulon melanurum (Linnaeus, 1758) -- valid -- cottonwick, ronco de lomo prieto, ronco lomo manchado
  Haemulon parra (Desmarest, 1823) -- valid -- sailors choice, ronco blanco, boquilla
  Haemulon plumierii (Lacepède, 1801) -- valid -- ronco arará, white grunt, chac-chí
  Haemulon sciurus (Shaw, 1803) -- valid -- bluestriped grunt, ronco amarillo, ronco carite
  Haemulon scudderii Gill, 1862 -- valid -- majarra prieta, burro pecoso, mojarra grunt
  Haemulon sexfasciatum Gill, 1862 -- valid -- barred grunt, burro almejero, graybar grunt
  Haemulon steindachneri (Jordan and Gilbert, 1882) -- valid -- Latin grunt, burro latino
  Haemulon striatum (Linnaeus, 1758) -- valid -- striped grunt, jeníguano rayado, ronco pinto
  Haemulopsis axillaris (Steindachner, 1869) -- valid -- yellowstripe grunt, burro blanco, ronco callana
  Haemulopsis elongatus (Steindachner, 1879) -- valid -- elongate grunt, ronco alargado
  Haemulopsis leuciscus (Günther, 1864) -- valid -- burrito, raucous grunt, ronco ruco
  Haemulopsis nitidus (Steindachner, 1869) -- valid -- ronco brillante, shining grunt
  Halichoeres adustus (Gilbert, 1890) -- valid -- black wrasse, señorita negra
  Halichoeres aestuaricola Bussing, 1972 -- valid -- mangrove wrasse, señorita de manglar
  Halichoeres bathyphilus (Beebe and Tee-Van, 1932) -- valid -- greenband wrasse, doncella cintaverde
  Halichoeres bivittatus (Bloch, 1791) -- valid -- slippery dick, doncella rayada
  Halichoeres caudalis (Poey, 1860) -- valid -- painted wrasse, doncella pintada
  Halichoeres chierchiae Di Caporiacco, 1948 -- valid -- señorita herida, wounded wrasse
  Halichoeres cyanocephalus (Bloch, 1791) -- valid -- yellowcheek wrasse, doncella cabeciplateada
  Halichoeres dispilus (Günther, 1864) -- valid -- chameleon wrasse, señorita camaleón
  Halichoeres garnoti (Valenciennes in Cuvier and Valenciennes, 1839) -- valid -- yellowhead wrasse, doncella cabeciamarilla
  Halichoeres insularis Allen and Robertson, 1992 -- valid -- señorita de Socorro, Socorro wrasse
  Halichoeres maculipinna (Müller and Troschel in Schomburgk, 1848) -- valid -- clown wrasse, doncella payaso
  Halichoeres melanotis (Gilbert, 1890) -- valid -- golden wrasse, señorita dorada
  Halichoeres nicholsi (Jordan and Gilbert, 1882) -- valid -- spinster wrasse, señorita solterona
  Halichoeres notospilus (Günther, 1864) -- valid -- banded wrasse, señorita listada
  Halichoeres pictus (Poey, 1860) -- valid -- rainbow wrasse, doncella arcoiris
  Halichoeres poeyi (Steindachner, 1867) -- valid -- blackear wrasse, doncella ojinegra, doncella orejinegra
  Halichoeres radiatus (Linnaeus, 1758) -- valid -- puddingwife, doncella pudín, doncella azulada
  Halichoeres semicinctus (Ayres, 1859) -- valid -- rock wrasse, señorita piedrera
  Halieutichthys aculeatus (Mitchill, 1818) -- valid -- pancake batfish, diablito espinoso, murciélago picudo
  Haptoclinus apectolophus Böhlke and Robins, 1974 -- valid -- trambollo despeinado, uncombed blenny
  Harengula clupeola (Cuvier, 1829) -- valid -- false pilchard, sardina escamuda, sardinita carapachona, false herring
  Harengula humeralis (Cuvier, 1829) -- valid -- redear sardine, sardinita de ley, redear herring, sardina de ley
  Harengula jaguana Poey, 1865 -- valid -- scaled sardine, sardinita vivita escamuda, sardina escamudina, scaled herring
  Harengula thrissina (Jordan and Gilbert, 1882) -- valid -- flatiron herring, sardinita plumilla, Pacific flatiron herring
  Helicolenus dactylopterus (Delaroche, 1809) -- valid -- blackbelly rosefish
  Hemanthias aureorubens (Longley, 1935) -- valid -- streamer bass, cabrilla cinta
  Hemanthias leptus (Ginsburg, 1952) -- valid -- longtail bass, cabrilla robalo
  Hemanthias peruanus (Steindachner, 1875) -- valid -- splittail bass, cabrilla doblecola
  Hemanthias signifer (Garman, 1899) -- valid -- splittail bass, cabrilla doncella, hookthroat bass
  Hemanthias vivanus (Jordan and Swain, 1885) -- valid -- red barbier, barbero rojo
  Hemicaranx amblyrhynchus (Cuvier in Cuvier and Valenciennes, 1833) -- valid -- bluntnose jack, chicharra, jurelito chato
  Hemicaranx leucurus (Günther, 1864) -- valid -- jurelito aletiamarilla, yellowfin jack
  Hemicaranx zelotes Gilbert in Jordan and Evermann, 1898 -- valid -- blackfin jack, jurelito chocho
  Hemichromis letourneuxi Sauvage, 1880 -- valid -- African jewelfish, north African jewelfish
  Hemilepidotus hemilepidotus (Tilesius, 1811) -- valid -- red Irish lord
  Hemilepidotus jordani Bean, 1881 -- valid -- yellow Irish lord
  Hemilepidotus papilio (Bean, 1880) -- invalid -- butterfly sculpin
  Hemilepidotus spinosus Ayres, 1854 -- valid -- brown Irish lord
  Hemilepidotus zapus Gilbert and Burke, 1912 -- valid -- longfin Irish lord
  Hemiramphidae -- valid -- demi-becs, pajaritos, halfbeaks
  Hemiramphus balao Lesueur, 1821 -- valid -- balao, agujeta balao, escribano balao
  Hemiramphus brasiliensis (Linnaeus, 1758) -- valid -- agujeta brasileña, ballyhoo, escribano de aletas rojas
  Hemiramphus saltator Gilbert and Starks, 1904 -- valid -- pajarito saltador, longfin halfbeak
  Hemitremia flammea (Jordan and Gilbert in Jordan, 1878) -- valid -- Flame Chub
  Hemitripteridae -- valid -- charrascos cuervo, hémitriptères, searavens
  Hemitripterus americanus (Gmelin, 1789) -- valid -- sea raven, sea sculpin, hémitriptère atlantique
  Hemitripterus bolini (Myers, 1934) -- valid -- bigmouth sculpin
  Heptranchias perlo (Bonnaterre, 1788) -- valid -- tiburón de siete branquias, tiburón de 7 branchias, sharpnose sevengill shark
  Hermosilla azurea Jenkins and Evermann, 1889 -- valid -- zebra perch, chopa bonita, zebraperch
  Heros severus Heckel, 1840 -- valid -- banded cichlid, banded cichlid
  Herpetoichthys fossatus (Myers and Wade, 1941) -- valid -- mustachioed snake eel, tieso bigotón
  Hesperoleucus symmetricus (Baird and Girard in Girard, 1854) -- valid -- California Roach
  Heterandria bimaculata (Heckel, 1848) -- valid -- twospot livebearer, guatopote manchado, spottail killifish
  Heterandria formosa Girard, 1859 -- valid -- dwarf livebearer, least killifish
  Heterandria jonesii (Günther, 1874) -- valid -- barred killifish, guatopote listado
  Heterenchelyidae -- valid -- mud eels, anguilas de fango, anguilles de vase
  Heteristius cinctus (Osburn and Nichols, 1916) -- valid -- banded stargazer, miraestrellas vendada
  Heteroconger canabus (Cowan and Rosenblatt, 1974) -- valid -- Cape garden eel, congrio del Cabo
  Heteroconger digueti (Pellegrin, 1923) -- valid -- Cortez garden eel, congrio de Cortés
  Heteroconger longissimus Günther, 1870 -- valid -- brown garden eel, congrio de jardín
  Heteroconger luteolus Smith, 1989 -- valid -- yellow garden eel
  Heteroconger pellegrini Castle, 1999 -- valid -- speckled garden eel, congrio pecoso
  Heterodontidae Gray, 1851 -- valid -- bullhead sharks, horn sharks, tiburones cornudos, requins cornus, Port Jackson sharks
  Heterodontus francisci (Girard, 1855) -- valid -- horn shark, tiburón puerco, dormilón cornudo, requin dormeur cornu
  Heterodontus mexicanus Taylor and Castro-Aguirre, 1972 -- valid -- Mexican hornshark, Mexican horn shark, tiburón perro
  Heterophallus rachovii Regan, 1914 -- invalid -- rachow's livebearer, Coatzacoalcos gambusia, guayacón jarocho, rachow's livebearer
  Heteropriacanthus cruentatus (Lacepède, 1801) -- valid -- catalufa espinosa, glasseye snapper, catalufa roquera
  Heterostichus rostratus Girard, 1854 -- valid -- giant kelpfish, sargacero gigante
  Hexagrammidae -- valid -- greenlings, sourcils, molvas
  Hexagrammos decagrammus (Pallas, 1810) -- valid -- kelp greenling
  Hexagrammos lagocephalus (Pallas, 1810) -- valid -- rock greenling
  Hexagrammos octogrammus (Pallas, 1814) -- valid -- masked greenling
  Hexagrammos stelleri Tilesius, 1810 -- valid -- whitespotted greenling
  Hexanchidae Gray, 1851 -- valid -- cow sharks, sevengill sharks, sixgill sharks, grisets, tiburones cañabota
  Hexanchus griseus (Bonnaterre, 1788) -- valid -- bluntnose sixgill shark, sixgill shark, tiburón de seis branquias, marrajo
  Hexanchus nakamurai Teng, 1962 -- valid -- cazón de seis branquias, bigeye sixgill shark
  Himantolophidae -- valid -- footballfishes, peces balón, poissons-football, deepsea anglerfishes
  Himantolophus groenlandicus Reinhardt, 1837 -- valid -- Atlantic footballfish
  Himantolophus sagamius (Tanaka, 1918) -- valid -- Pacific footballfish
  Himantura pacifica (Beebe and Tee-van, 1941) -- valid -- Pacific whiptail stingray, raya coluda del Pacífico
  Himantura schmardae (Werner, 1904) -- valid -- Chupare stingray, lebisa, Caribbean whiptail stingray, raya coluda caribeña
  Hiodon alosoides (Rafinesque, 1819) -- valid -- goldeye, laquaiche aux yeux d'or
  Hiodon tergisus Lesueur, 1818 -- valid -- mooneye, laquaiche argentée
  Hiodontidae -- valid -- mooneyes, laquaiches, ojos de luna
  Hippocampus erectus Perry, 1810 -- valid -- lined seahorse, spotted seahorse, caballito erecto, caballito estriado
  Hippocampus ingens Girard, 1858 -- valid -- Pacific giant seahorse, Pacific seahorse, caballito del Pacífico
  Hippocampus reidi Ginsburg, 1933 -- valid -- longsnout seahorse, caballito narizon, caballito hocico largo
  Hippocampus zosterae Jordan and Gilbert, 1882 -- valid -- dwarf seahorse, little seahorse, pygmy seahorse, caballito oliváceo, caballito enano
  Hippoglossina bollmani Gilbert, 1890 -- valid -- lenguado pintado, spotted flounder, Spotted Flounder
  Hippoglossina stomata Eigenmann & Eigenmann, 1890 -- valid -- bigmouth sole, lenguado bocón, Bigmouth Sole
  Hippoglossina tetrophthalma (Gilbert, 1890) -- valid -- foureye flounder, lenguado cuatrojos, Foureye Flounder
  Hippoglossoides elassodon Jordan & Gilbert, 1880 -- valid -- flathead sole, Flathead Sole, plie à tête plate
  Hippoglossoides platessoides (Fabricius, 1780) -- valid -- American plaice, plie canadienne, American dab, Canadian plaice, dab, American Plaice
  Hippoglossoides robustus Gill & Townsend, 1897 -- valid -- Bering flounder, Bering Flounder, plie de Béring
  Hippoglossus hippoglossus (Linnaeus, 1758) -- valid -- Atlantic halibut, flétan atlantique, Atlantic Halibut
  Hippoglossus stenolepis Schmidt, 1904 -- valid -- Pacific halibut, alabato del Pacífico, flétan du Pacifique, Pacific Halibut
  Hirundichthys affinis (Günther, 1866) -- valid -- fourwing flyingfish, volador golondrina, volador de 4 alas
  Hirundichthys marginatus (Nichols and Breder, 1928) -- valid -- bladewing flyingfish, volador ala navaja
  Hirundichthys rondeletii (Valenciennes in Cuvier and Valenciennes, 1847) -- valid -- blackwing flyingfish, brownwinged flyingfish, nonsuch flyingfish, volador de alas negras, volador ala negra
  Hirundichthys speculiger (Valenciennes in Cuvier and Valenciennes, 1847) -- valid -- mirrorwing flyingfish, volador espejo
  Histrio histrio (Linnaeus, 1758) -- valid -- sargassum frogfish, sargassumfish, pez sargazo
  Holacanthus bermudensis Goode, 1876 -- valid -- blue angelfish, isabelita azul, chabelita azul
  Holacanthus ciliaris (Linnaeus, 1758) -- valid -- queen angelfish, isabelita reina, ángel reina
  Holacanthus clarionensis Gilbert, 1891 -- valid -- ángel de Clarión, Clarion angelfish
  Holacanthus passer Valenciennes, 1846 -- valid -- whitestripe angelfish, ángel real, king angelfish
  Holacanthus tricolor (Bloch, 1795) -- valid -- vaqueta de dos colores, rock beauty, chabelita tricolor
  Hollardia meadi Tyler, 1966 -- valid -- spotted spikefish, rombo pardo, Spotted Spikefish
  Holocentridae -- valid -- soldierfishes, squirrelfishes, candiles, marignans
  Holocentrus adscensionis (Osbeck, 1765) -- valid -- squirrelfish, candil de vidrio, carajuelo de ascención
  Holocentrus rufus (Walbaum, 1792) -- valid -- longspine squirrelfish, candil rufo, carajuelo rufo
  Holocephali -- valid -- cartilaginous fishes, chimaeras
  Hoplopagrus guentherii Gill, 1862 -- valid -- striped pargo, Mexican barred snapper, pargo coconaco, Barred Pargo, vivaneau mexicain
  Hoplosternum littorale (Hancock, 1828) -- valid -- brown hoplo
  Hoplosternum littoralis (Hancock, 1828) -- invalid -- brown hoplo
  Hoplunnis diomediana Goode and Bean, 1896 -- valid -- blacktail pike-conger, blacktail pikeconger, serpentina albatros
  Hoplunnis macrura Ginsburg, 1951 -- valid -- freckled pike-conger, silver conger, serpentina cola grande, freckled pikeconger
  Hoplunnis pacifica Lane and Stewart, 1968 -- valid -- silver pikeconger, serpentina plateada
  Hoplunnis tenuis Ginsburg, 1951 -- valid -- spotted pike-conger, congrio colilargo, serpentina dientona, spotted pikeconger
  Hubbsina turneri de Buen, 1940 -- invalid -- Turner's hochlandkarpfling, highland splitfin, mexcalpique michoacano
  Hybognathus amarus (Girard, 1856) -- valid -- Rio Grande Silvery Minnow, carpa Chamizal
  Hybognathus argyritis Girard, 1856 -- valid -- méné d'argent de l'ouest, Western Silvery Minnow
  Hybognathus hankinsoni Hubbs in Jordan, 1929 -- valid -- Brassy Minnow, méné laiton
  Hybognathus hayi Jordan, 1885 -- valid -- Cypress Minnow
  Hybognathus nuchalis Agassiz, 1855 -- valid -- Mississippi Silvery Minnow, méné d'argent
  Hybognathus placitus Girard, 1856 -- valid -- méné des plaines, Plains Minnow
  Hybognathus regius Girard, 1856 -- valid -- méné d'argent de l'est, Eastern Silvery Minnow, méné d'argent
  Hybopsis amblops (Rafinesque, 1820) -- valid -- Bigeye Chub
  Hybopsis amnis (Hubbs and Greene in Hubbs, 1951) -- valid -- Pallid Shiner, pallid chub
  Hybopsis boucardi (Günther, 1868) -- invalid -- carpita del Balsas, Balsas shiner
  Hybopsis dorsalis Agassiz, 1854 -- invalid -- bigmouth shiner
  Hybopsis hypsinotus (Cope, 1870) -- valid -- Highback Chub
  Hybopsis lineapunctata Clemmer and Suttkus, 1971 -- valid -- Lined Chub
  Hybopsis rubrifrons (Jordan, 1877) -- valid -- Rosyface Chub
  Hybopsis winchelli Girard, 1856 -- valid -- Clear Chub
  Hydrolagus colliei (Lay and Bennett, 1839) -- valid -- quimera manchada, spotted ratfish
  Hypentelium etowanum (Jordan, 1877) -- valid -- Alabama Hog Sucker
  Hypentelium nigricans (Lesueur, 1817) -- valid -- Northern Hog Sucker, meunier à tête carrée
  Hypentelium roanokense Raney and Lachner, 1947 -- valid -- Roanoke Hog Sucker
  Hyperoglyphe bythites (Ginsburg, 1954) -- valid -- black driftfish
  Hyperoglyphe perciformis (Mitchill, 1818) -- valid -- barrelfish
  Hyperprosopon anale Agassiz, 1861 -- valid -- spotfin surfperch, mojarra aletimanchada
  Hyperprosopon argenteum Gibbons, 1854 -- valid -- walleye surfperch, mojarra ojona
  Hyperprosopon ellipticum (Gibbons, 1854) -- valid -- silver surfperch, mojarra ovalada
  Hyphessobrycon compressus (Meek, 1904) -- valid -- Maya tetra, sardinita plateada
  Hypleurochilus bermudensis Beebe and Tee-van, 1933 -- valid -- barred blenny, borracho de barras
  Hypleurochilus caudovittatus Bath, 1994 -- valid -- zebratail blenny
  Hypleurochilus geminatus (Wood, 1825) -- valid -- crested blenny, blenio crestado
  Hypleurochilus multifilis (Girard, 1858) -- valid -- borracho plumero, featherduster blenny
  Hypleurochilus pseudoaequipinnis Bath, 1994 -- valid -- borracho ostionero, oyster blenny
  Hypleurochilus springeri Randall, 1966 -- valid -- orangespotted blenny
  Hypoatherina harringtonensis (Goode, 1877) -- valid -- reef silverside, tinícalo de arrecife, catacuche
  Hypomesus nipponensis McAllister, 1963 -- valid -- wakasagi, Wakasagi smelt
  Hypomesus olidus (Pallas, 1814) -- valid -- pond smelt
  Hypomesus pretiosus (Girard, 1854) -- valid -- surf smelt
  Hypomesus transpacificus McAllister, 1963 -- valid -- delta smelt
  Hypophthalmichthys molitrix (Valenciennes in Cuvier and Valenciennes, 1844) -- valid -- silver carp, carpa plateada
  Hypophthalmichthys nobilis (Richardson, 1845) -- valid -- bighead carp, carpa cabezona
  Hypoplectrus aberrans Poey, 1868 -- valid -- vaca de vientre amarillo, yellowbelly hamlet
  Hypoplectrus gemma Goode and Bean, 1882 -- valid -- blue hamlet
  Hypoplectrus guttavarius (Poey, 1852) -- valid -- golden hamlet, vaca dorada, shy hamlet
  Hypoplectrus indigo (Poey, 1851) -- valid -- indigo hamlet, vaca añil
  Hypoplectrus nigricans (Poey, 1852) -- valid -- black hamlet, vaca negra, mero carbonero
  Hypoplectrus puella (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- barred hamlet, vaca barreada, mero barril
  Hypoplectrus unicolor (Walbaum, 1792) -- valid -- butter hamlet, vaca blanca, mero mantequilla
  Hyporhamphus gilli Meek and Hildebrand, 1923 -- valid -- choelo halfbeak, pajarito cholo
  Hyporhamphus meeki Banford and Collette, 1993 -- valid -- American halfbeak, agujeta flaca, false silverstripe halfbeak, Meek's halfbeak
  Hyporhamphus mexicanus Alvarez, 1959 -- valid -- Mexican halfbeak, pajarito mexicano
  Hyporhamphus naos Banford and Collette, 2001 -- valid -- Pacific silverstripe halfbeak, pajarito blanco del Pacífico
  Hyporhamphus rosae (Jordan and Gilbert, 1880) -- valid -- California halfbeak, pajarito californiano
  Hyporhamphus snyderi Meek and Hildebrand, 1923 -- valid -- pajarito choca, skipper halfbeak
  Hyporhamphus unifasciatus (Ranzani, 1841) -- valid -- halfbeak, silverstripe halfbeak, Atlantic silverstripe halfbeak, pajarito blanco del Atlántico, escribano
  Hypostomus plecostomus (Linnaeus, 1758) -- valid -- suckermouth catfish
  Hypsagonus mozinoi (Wilimovsky and Wilson, 1979) -- invalid -- kelp poacher
  Hypsagonus quadricornis (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- fourhorn poacher
  Hypsoblennius brevipinnis (Günther, 1861) -- valid -- barnaclebill blenny, borracho vacilón
  Hypsoblennius gentilis (Girard, 1854) -- valid -- bay blenny, borracho de bahía
  Hypsoblennius gilberti (Jordan, 1882) -- valid -- rockpool blenny, borracho de poza
  Hypsoblennius hentz (Lesueur, 1825) -- valid -- feather blenny
  Hypsoblennius invemar Smith-Vaniz and Acero P. in Smith-Vaniz, 1980 -- valid -- tessellated blenny
  Hypsoblennius ionthas (Jordan and Gilbert, 1882) -- valid -- freckled blenny
  Hypsoblennius jenkinsi (Jordan and Evermann in Jordan, 1896) -- valid -- mussel blenny, borracho mejillonero
  Hypsoblennius proteus (Krejsa, 1960) -- valid -- borracho de Socorro, Socorro blenny
  Hypsurus caryi (Agassiz, 1853) -- valid -- rainbow seaperch, mojarra arcoiris
  Hypsypops rubicundus (Girard, 1854) -- valid -- garibaldi, jaqueta garibaldi
  Hysterocarpus traskii Gibbons, 1854 -- valid -- tule perch
  Icelinus borealis Gilbert, 1896 -- valid -- northern sculpin
  Icelinus burchami Evermann and Goldsborough, 1907 -- valid -- dusky sculpin
  Icelinus cavifrons Gilbert, 1890 -- valid -- pit-head sculpin, charrasco cabeza bacha
  Icelinus filamentosus Gilbert, 1890 -- valid -- threadfin sculpin
  Icelinus fimbriatus Gilbert, 1890 -- valid -- fringed sculpin
  Icelinus oculatus Gilbert, 1890 -- valid -- frogmouth sculpin
  Icelinus quadriseriatus (Lockington, 1880) -- valid -- yellowchin sculpin, charrasco barbiamarilla
  Icelinus tenuis Gilbert, 1890 -- valid -- spotfin sculpin, charrasco aletimanchada
  Icelus bicornis (Reinhardt, 1840) -- valid -- twohorn sculpin, icèle à deux cornes
  Icelus canaliculatus Gilbert, 1896 -- valid -- blacknose sculpin
  Icelus euryops Bean, 1890 -- valid -- wide-eye sculpin
  Icelus spatula Gilbert and Burke, 1912 -- valid -- spatulate sculpin, icèle spatulée
  Icelus spiniger Gilbert, 1896 -- valid -- thorny sculpin
  Icelus uncinalis Gilbert and Burke, 1912 -- valid -- uncinate sculpin
  Ichthyapus ophioneus (Evermann and Marsh, 1900) -- valid -- finless snake eel, surf eel, safío amarillo, tieso alacrán
  Ichthyapus selachops (Jordan and Gilbert, 1882) -- valid -- smiling sand eel, tieso sonriente
  Ichthyomyzon bdellium (Jordan, 1885) -- valid -- Ohio lamprey, lamproie de l'Ohio
  Ichthyomyzon castaneus Girard, 1858 -- valid -- chestnut lamprey, lamproie brune
  Ichthyomyzon fossor Reighard and Cummins, 1916 -- valid -- northern brook lamprey, lamproie du nord, lamproie de ruisseau septentrionale
  Ichthyomyzon gagei Hubbs and Trautman, 1937 -- valid -- southern brook lamprey, lamproie de ruisseau méridionale
  Ichthyomyzon greeleyi Hubbs and Trautman, 1937 -- valid -- mountain brook lamprey, Allegheny brook lamprey, lamproie de ruisseau d'Allegheny
  Ichthyomyzon unicuspis Hubbs and Trautman, 1937 -- valid -- silver lamprey, lamproie argentée
  Icichthys lockingtoni Jordan and Gilbert, 1880 -- valid -- brown rudderfish, medusafish, cojinoba medusa
  Icosteidae -- valid -- ragfishes, icostéidés, peces harapo
  Icosteus aenigmaticus Lockington, 1880 -- valid -- ragfish
  Ictaluridae Gill, 1861 -- valid -- bullhead catfishes, North American freshwater catfishes, barbottes et barbues, barbottes, barbues, bagres de agua dulce, North American catfishes
  Ictalurus australis (Meek, 1904) -- valid -- Panuco Catfish, bagre del Pánuco
  Ictalurus balsanus (Jordan and Snyder, 1899) -- valid -- Balsas Catfish, bagre del Balsas
  Ictalurus dugesii (Bean, 1880) -- valid -- Lerma Catfish, bagre del Lerma
  Ictalurus furcatus (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- Blue Catfish, bagre azul
  Ictalurus lupus (Girard, 1858) -- valid -- Headwater Catfish, bagre lobo
  Ictalurus mexicanus (Meek, 1904) -- valid -- Rio Verde Catfish, bagre del Verde
  Ictalurus ochoterenai (de Buen, 1946) -- valid -- Chapala Catfish, bagre de Chapala
  Ictalurus pricei (Rutter, 1896) -- valid -- Yaqui Catfish, bagre yaqui
  Ictalurus punctatus (Rafinesque, 1818) -- valid -- Channel Catfish, graceful catfish, bagre de canal, barbue de rivière
  Ictiobus bubalus (Rafinesque, 1818) -- valid -- Smallmouth Buffalo, matalote boquín, buffalo à petite bouche
  Ictiobus cyprinellus (Valenciennes in Cuvier and Valenciennes, 1844) -- valid -- Bigmouth Buffalo, buffalo à grande bouche
  Ictiobus labiosus (Meek, 1904) -- valid -- Fleshylip Buffalo, matalote bocón
  Ictiobus meridionalis (Günther, 1868) -- valid -- Usumacinta buffalo, Southern Buffalo, matalote meridional
  Ictiobus niger (Rafinesque, 1819) -- valid -- Black Buffalo, buffalo noir, matalote negro
  Ilisha fuerthii (Steindachner, 1875) -- valid -- Pacific ilisha, sardina hacha, hatchet herring
  Ilyodon cortesae Paulo-Maya and Trujillo-Jiménez, 2000 -- valid -- freckled splitfin, mexcalpique pecoso
  Ilyodon furcidens (Jordan and Gilbert, 1882) -- valid -- goldbreast splitfin, mexcalpique de Armería
  Ilyodon lennoni Meyer and Foerster, 1983 -- valid -- Chacambero splitfin, mexcalpique de Chacambero
  Ilyodon whitei (Meek, 1904) -- valid -- Balsas splitfin, mexcalpique cola partida
  Ilyodon xantusi (Hubbs and Turner, 1939) -- valid -- Limones splitfin, mexcalpique de Los Limones
  Ilypnus gilberti (Eigenmann and Eigenmann, 1889) -- valid -- cheekspot goby, gobio mejilla manchada
  Ilypnus luculentus (Ginsburg, 1938) -- valid -- bright goby, gobio brillante
  Inermia vittata Poey, 1860 -- valid -- boga, boga
  Inermiidae -- valid -- bonnetmouths, bogas, inermiidés
  Iniistius pavo (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- peacock wrasse, cuchillo pavo real, peacock razorfish
  Iotichthys phlegethontis (Cope, 1874) -- valid -- Least Chub
  Isistius brasiliensis (Quoy and Gaimard, 1824) -- valid -- tiburón cigarro, cookiecutter shark
  Isopisthus remifer Jordan and Gilbert, 1882 -- valid -- bigeye corvina, corvina ojona
  Isopsetta isolepis (Lockington, 1880) -- valid -- butter sole, Butter Sole, plie à écailles régulières
  Istiophoridae -- valid -- billfishes, sailfishes, marlins, spearfishes, picudos, voiliers
  Istiophorus platypterus (Shaw in Shaw and Nodder, 1792) -- valid -- aguja de abanico, pez vela, Atlantic sailfish, bayonet fish, Indo-Pacific sailfish, sailfish
  Isurus oxyrinchus Rafinesque, 1810 -- valid -- shortfin mako, mako, dientuso azul
  Isurus paucus Guitart Manday, 1966 -- valid -- longfin mako, mako aletón, dientuso prieto, marrajo carite, petit taupe
  Jenkinsia lamprotaenia (Gosse, 1851) -- valid -- dwarf herring, manjúa, sardinita flaca, dwarf round herring
  Jenkinsia majua Whitehead, 1963 -- valid -- little-eye herring, sardineta, sardinita ojito, little-eye round herring
  Jenkinsia stolifera (Jordan and Gilbert, 1884) -- valid -- shortband herring, sardinita de cayo, Florida round herring
  Johnrandallia nigrirostris (Gill, 1862) -- valid -- barberfish, mariposa barbero
  Jordanella floridae Goode and Bean in Goode, 1879 -- valid -- American flagfish, flagfish
  Jordanella pulchra (Hubbs, 1936) -- invalid -- cachorrito de Progreso, Progreso flagfish
  Jordania zonope Starks, 1895 -- valid -- longfin sculpin
  Joturus pichardi Poey, 1860 -- valid -- bobo, joturo, bobo mullet, joturo, bobo, hog mullet
  Kasatkia seigeli Posner and Lavenberg, 1999 -- valid -- sixspot prickleback
  Kathetostoma albigutta Bean, 1892 -- valid -- lancer stargazer, miracielo sargacero
  Kathetostoma averruncus Jordan and Bollman, 1890 -- valid -- smooth stargazer, miracielo buldog
  Katsuwonus pelamis (Linnaeus, 1758) -- valid -- bonito listado, barrilete listado, bonite à ventre rayé, listado, skipjack, skipjack tuna, striped tuna, oceanic bonito, Arctic bonito, mushmouth, victor fish
  Kaupichthys hyoproroides (Strömman, 1896) -- valid -- false moray, anguililla de arrecife, reef moray, morena falsa de arrecife
  Kaupichthys nuchalis Böhlke, 1967 -- valid -- collared eel, anguililla de collar, morena falsa de collar
  Kuhlia mugil (Forster in Bloch and Schneider, 1801) -- valid -- barred flagtail, dara bandera
  Kuhliidae -- valid -- aholeholes, mountain basses, crocros, daras, flagtails
  Kyphosidae -- valid -- pilotfishes, rudderfishes, sea chubs, chopas, kyphoses
  Kyphosus analogus (Gill, 1862) -- valid -- blue-bronze chub, chopa rayada, salema
  Kyphosus elegans (Peters, 1869) -- valid -- chopa, chopa, chopa de Cortés, Cortez sea chub
  Kyphosus incisor (Cuvier in Cuvier and Valenciennes, 1831) -- valid -- yellow chub, chopa amarilla
  Kyphosus lutescens (Jordan and Gilbert, 1882) -- valid -- chopa de Revillagigedo, Revillagigedo sea chub
  Kyphosus sectatrix (Linnaeus, 1758) -- invalid -- Bermuda chub, chopa blanca
  Labidesthes sicculus (Cope, 1865) -- valid -- brook silverside, crayon d'argent
  Labridae Cuvier, 1816 -- valid -- rainbowfishes, wrasses, labres, labridés, doncellas y señoritas
  Labrisomidae -- valid -- labrisomid blennies, labrisomidés, trambollos
  Labrisomus bucciferus Poey, 1868 -- valid -- puffcheek blenny, sapito fumador, trambollo fumador
  Labrisomus gobio (Valenciennes in Cuvier and Valenciennes, 1836) -- valid -- palehead blenny, sapito ojudo, trambollo caripálida
  Labrisomus guppyi (Norman, 1922) -- valid -- mimic blenny, sapito prieto, trambollo mímico
  Labrisomus haitiensis Beebe and Tee-van, 1928 -- valid -- longfin blenny, sapito de roca, trambollo príncipe
  Labrisomus kalisherae (Jordan, 1904) -- valid -- downy blenny, trambollo velloso
  Labrisomus multiporosus Hubbs, 1953 -- valid -- porehead blenny, trambollo cabeza porosa
  Labrisomus nigricinctus Howell Rivero, 1936 -- valid -- spotcheek blenny, sapito lunado, trambollo lunado
  Labrisomus nuchipinnis (Quoy and Gaimard, 1824) -- valid -- hairy blenny, sapito cabezón, trambollo peludo
  Labrisomus socorroensis Hubbs, 1953 -- valid -- misspelled blenny, trambollo de Socorro
  Labrisomus striatus Hubbs, 1953 -- valid -- green blenny, trambollo listado
  Labrisomus wigginsi Hubbs, 1953 -- valid -- Baja blenny, trambollo bajacaliforniano
  Labrisomus xanti Gill, 1860 -- valid -- rock blenny, rock blenny, chalapo, largemouth blenny
  Lachnolaimus maximus (Walbaum, 1792) -- valid -- hogfish, pez perro, boquinete
  Lactophrys bicaudalis (Linnaeus, 1758) -- valid -- spotted trunkfish, chapín de lunares negros, chapín pintado, Spotted Trunkfish
  Lactophrys trigonus (Linnaeus, 1758) -- valid -- trunkfish, chapín de lunares, chapín búfalo, Trunkfish
  Lactophrys triqueter (Linnaeus, 1758) -- valid -- smooth trunkfish, chapín común, chapín baqueta, Smooth Trunkfish
  Lactoria diaphana (Bloch & Schneider, 1801) -- valid -- cofre espinoso, spiny boxfish, Spiny Boxfish
  Laemonema barbatulum Goode and Bean, 1883 -- valid -- smallscale mora, shortbeard codling
  Lagocephalus laevigatus (Linnaeus, 1766) -- valid -- smooth puffer, tamboril gigante, botete grande, Smooth Puffer
  Lagocephalus lagocephalus (Linnaeus, 1758) -- valid -- oceanic puffer, tamboril oceanico, botete oceánico, Oceanic Puffer, orbe étoilé
  Lagodon rhomboides (Linnaeus, 1766) -- valid -- pinfish, chopa espina, xlavitia
  Lamna ditropis Hubbs and Follett, 1947 -- valid -- tiburón salmón, salmon shark
  Lamna nasus (Bonnaterre, 1788) -- valid -- porbeagle, maraîche
  Lamnidae Müller and Henle, 1838 -- valid -- mackerel sharks, porbeagles, white sharks, requins-taupes, jaquetones
  Lampadena speculigera Goode and Bean, 1896 -- valid -- mirror lanternfish
  Lampanyctus crocodilus (Risso, 1810) -- valid -- crocodile lanternfish, jewel lanternfish, grande lampe-bouée
  Lampetra aepyptera (Abbott, 1860) -- valid -- least brook lamprey, petite lamproie de ruisseau
  Lampetra appendix (DeKay, 1842) -- invalid -- American brook lamprey, lamproie de l'est
  Lampetra ayresii (Günther, 1870) -- valid -- western river lamprey, lamproie de rivière de l'ouest, river lamprey
  Lampetra camtschatica (Tilesius, 1811) -- invalid -- Arctic lamprey
  Lampetra geminis (Álvarez, 1964) -- invalid -- Jacona lamprey, lamprea de Jacona
  Lampetra hubbsi (Vladykov and Kott, 1976) -- valid -- Kern brook lamprey
  Lampetra lethophaga Hubbs, 1971 -- invalid -- Pit-Klamath brook lamprey
  Lampetra macrostoma Beamish, 1982 -- invalid -- Vancouver lamprey
  Lampetra minima Bond and Kan, 1973 -- invalid -- Miller Lake lamprey
  Lampetra richardsoni Vladykov and Follett, 1965 -- valid -- western brook lamprey, lamproie de ruisseau occidentale
  Lampetra similis (Vladykov and Kott, 1979) -- invalid -- Klamath lamprey
  Lampetra spadicea Bean, 1887 -- invalid -- Chapala lamprey, lamprea de Chapala
  Lampetra tridentata (Richardson, 1836) -- invalid -- lamprea del Pacífico, Pacific lamprey
  Lamprididae -- invalid -- opahs, opahs, opahs
  Lampris guttatus (Brünnich, 1788) -- valid -- opah, opah, pez mariposa, North Atlantic Opah
  Larimus acclivis Jordan and Bristol in Jordan and Evermann, 1898 -- valid -- boquinete, steeplined drum
  Larimus argenteus (Gill, 1863) -- valid -- boquinete chato, silver drum
  Larimus effulgens Gilbert in Jordan and Evermann, 1898 -- valid -- boquinete boca de novia, shining drum
  Larimus fasciatus Holbrook, 1855 -- valid -- banded drum, boquinete listado
  Larimus pacificus Jordan and Bollman, 1890 -- valid -- boquinete del Pacífico, Pacific drum
  Lavinia exilicauda Baird and Girard in Girard, 1854 -- valid -- Hitch
  Leiocottus hirundo Girard, 1856 -- valid -- lavender sculpin, charrasco lavanda
  Leiostomus xanthurus Lacepède, 1802 -- valid -- spot, croca
  Lepidocybium flavobrunneum (Smith, 1843) -- valid -- escolar, petróleo, escolar negro
  Lepidogobius lepidus (Girard, 1858) -- valid -- bay goby, gobio frío
  Lepidomeda albivallis Miller and Hubbs, 1960 -- valid -- White River Spinedace
  Lepidomeda altivelis Miller and Hubbs, 1960 -- valid -- Pahranagat Spinedace
  Lepidomeda mollispinis Miller and Hubbs, 1960 -- valid -- Virgin Spinedace
  Lepidomeda vittata Cope, 1874 -- valid -- Little Colorado Spinedace
  Lepidopsetta bilineata (Ayres, 1855) -- valid -- rock sole, fausse limande du Pacifique, Rock Sole
  Lepidopsetta polyxystra Orr & Matarese, 2000 -- valid -- northern rock sole, limande du nord, Northern Rock Sole
  Lepidopus altifrons Parin and Collette, 1993 -- valid -- crested scabbardfish
  Lepidopus fitchi Rosenblatt and Wilson, 1987 -- valid -- pez cinto, black scabbardfish, Fitch's scabbardfish, Pacific scabbardfish
  Lepisosteidae -- valid -- gar pikes, garfishes, gars, lépisostés, pejelagartos
  Lepisosteiformes -- valid
  Lepisosteus oculatus Winchell, 1864 -- valid -- spotted gar, catán pinto, lépisosté tacheté, shortnose gar
  Lepisosteus osseus (Linnaeus, 1758) -- valid -- catán aguja, longnose gar, lépisosté osseux
  Lepisosteus platostomus Rafinesque, 1820 -- valid -- shortnose gar
  Lepisosteus platyrhincus DeKay, 1842 -- valid -- Florida gar
  Lepomis auritus (Linnaeus, 1758) -- valid -- Redbreast Sunfish, mojarra pecho rojo, crapet rouge
  Lepomis cyanellus Rafinesque, 1819 -- valid -- pez sol, Green Sunfish, crapet vert
  Lepomis gibbosus (Linnaeus, 1758) -- valid -- kiver, crapet-soleil, Pumpkinseed
  Lepomis gulosus (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- mojarra golosa, crapet sac-à-lait, Warmouth
  Lepomis humilis (Girard, 1858) -- valid -- Orangespotted Sunfish
  Lepomis macrochirus Rafinesque, 1819 -- valid -- mojarra oreja azul, crapet arlequin, Bluegill
  Lepomis marginatus (Holbrook, 1855) -- valid -- Dollar Sunfish
  Lepomis megalotis (Rafinesque, 1820) -- valid -- mojarra gigante, crapet à longues oreilles, mojarra orejona, Longear Sunfish
  Lepomis microlophus (Günther, 1859) -- valid -- mojarra oreja roja, Redear Sunfish
  Lepomis miniatus (Jordan, 1877) -- valid -- scarlet sunfish, Redspotted Sunfish
  Lepomis punctatus (Valenciennes in Cuvier and Valenciennes, 1831) -- valid -- Spotted Sunfish, mojarra manchada
  Lepomis symmetricus Forbes in Jordan and Gilbert, 1883 -- valid -- Bantam Sunfish
  Lepophidium brevibarbe (Cuvier, 1829) -- valid -- blackedge cusk-eel, clarín, congriperla clarín
  Lepophidium jeannae Fowler, 1941 -- valid -- mottled cusk-eel, congriperla jaspeada
  Lepophidium microlepis (Gilbert, 1890) -- valid -- finescale cusk-eel, congriperla plateada
  Lepophidium negropinna Hildebrand and Barton, 1949 -- valid -- specklefin cusk-eel, congriperla pinta
  Lepophidium pardale (Gilbert, 1890) -- valid -- leopard cusk-eel, congriperla leopardo
  Lepophidium pheromystax Robins, 1960 -- valid -- upsilon cusk-eel, congriperla bigotona
  Lepophidium profundorum (Gill, 1863) -- valid -- fawn cusk-eel, clarín, congriperla amarilla
  Lepophidium prorates (Jordan and Bollman, 1890) -- valid -- prowspine cusk-eel, congriperla cornuda
  Lepophidium staurophor Robins, 1959 -- valid -- barred cusk-eel, congriperla rayada
  Lepophidium stigmatistium (Gilbert, 1890) -- valid -- Mexican cusk-eel, congriperla mexicana
  Leptagonus decagonus (Bloch and Schneider, 1801) -- valid -- Atlantic poacher, agone atlantique
  Leptagonus frenatus (Gilbert, 1896) -- invalid -- sawback poacher
  Leptagonus leptorhynchus (Gilbert, 1896) -- invalid -- longnose poacher
  Leptoclinus maculatus (Fries, 1838) -- valid -- daubed shanny, lompénie tachetée
  Leptocottus armatus Girard, 1854 -- valid -- Pacific staghorn sculpin, charrasco de astas
  Leptolucania ommata (Jordan, 1884) -- valid -- pygmy killifish
  Letharchus rosenblatti McCosker, 1974 -- valid -- black sailfin eel, tieso vela negro
  Letharchus velifer Goode and Bean, 1882 -- valid -- sailfin eel
  Lethogoleos andersoni McCosker and Böhlke, 1982 -- valid -- forgetful snake eel
  Lethops connectens Hubbs, 1926 -- valid -- halfblind goby, gobio sargacero
  Lethotremus muticus Gilbert, 1896 -- valid -- docked snailfish
  Leuciscus idus (Linnaeus, 1758) -- valid -- ide, orfe
  Leucoraja erinacea (Mitchill, 1825) -- valid -- raie-hérisson, common skate, little skate, summer skate
  Leucoraja garmani (Whitley, 1939) -- valid -- rosette skate
  Leucoraja lentiginosa (Bigelow and Schroeder, 1951) -- valid -- freckled skate, raya pecosa, speckled skate
  Leucoraja ocellata (Mitchill, 1815) -- valid -- raie tachetée, big skate, eyed skate, winter skate
  Leuresthes sardina (Jenkins and Evermann, 1889) -- valid -- Gulf grunion, pejerrey sardina
  Leuresthes tenuis (Ayres, 1860) -- valid -- California grunion, pejerrey californiano
  Leuroglossus schmidti Rass, 1955 -- valid -- northern smoothtongue
  Leuroglossus stilbius Gilbert, 1890 -- valid -- lengualisa californiana, California smoothtongue
  Leuropharus lasiops Rosenblatt and McCosker, 1970 -- valid -- acned snake eel, tieso pustuloso
  Lile gracilis Castro-Aguirre and Vivero, 1990 -- valid -- graceful herring, sardinita agua dulce
  Lile nigrofasciata Castro-Aguirre, Ruiz-Campos and Balart, 2002 -- valid -- blackstripe herring, sardinita raya negra
  Lile stolifera (Jordan and Gilbert, 1882) -- valid -- striped herring, sardinita rayada, Pacific piquitinga
  Limanda aspera (Pallas, 1814) -- valid -- yellowfin sole, limande à nageoires jaunes, Yellowfin Sole
  Limanda ferruginea (Storer, 1839) -- valid -- limande à queue jaune, rusty flounder, yellowtail flounder, Yellowtail Flounder
  Limanda proboscidea Gilbert, 1896 -- valid -- longhead dab, limande carline, Longhead Dab
  Limanda sakhalinensis Hubbs, 1915 -- valid -- Sakhalin sole, Sakhalin Sole
  Liopropoma carmabi (Randall, 1963) -- valid -- candy basslet
  Liopropoma eukrines (Starck and Courtenay, 1962) -- valid -- wrasse bass, wrasse basslet
  Liopropoma fasciatum Bussing, 1980 -- valid -- cabrilla arcoiris, rainbow basslet
  Liopropoma longilepis Garman, 1899 -- valid -- cabrilla aleta escamosa, scalyfin basslet
  Liopropoma mowbrayi Woods and Kanazawa, 1951 -- valid -- cave bass, guardia rojo, cabrilla de cueva, cave basslet
  Liopropoma rubre Poey, 1861 -- valid -- peppermint bass, guardia suizo, cabrilla menta, peppermint basslet
  Liparidae -- valid -- snailfishes, limaces de mer, peces babosos
  Liparis atlanticus (Jordan and Evermann, 1898) -- valid -- Atlantic seasnail, seasnail, limace atlantique
  Liparis beringianus (Gilbert and Burke, 1912) -- invalid -- Bering snailfish
  Liparis bristolensis (Burke, 1912) -- valid -- Bristol snailfish
  Liparis callyodon (Pallas, 1814) -- valid -- spotted snailfish
  Liparis catharus Vogt, 1973 -- valid -- purity snailfish
  Liparis coheni Able, 1976 -- valid -- Gulf snailfish, limace de Cohen
  Liparis cyclopus Günther, 1861 -- valid -- ribbon snailfish
  Liparis dennyi Jordan and Starks, 1895 -- valid -- marbled snailfish
  Liparis fabricii Krøyer, 1847 -- valid -- gelatinous seasnail, limace gélatineuse
  Liparis florae (Jordan and Starks, 1895) -- valid -- tidepool snailfish
  Liparis fucensis Gilbert, 1896 -- valid -- slipskin snailfish
  Liparis gibbus Bean, 1881 -- valid -- polka-dot snailfish, variegated snailfish, varigated snailfish, limace marbrée
  Liparis greeni (Jordan and Starks, 1895) -- invalid -- lobefin snailfish
  Liparis inquilinus Able, 1973 -- valid -- inquiline snailfish, limace des pétoncles
  Liparis marmoratus Schmidt, 1950 -- valid -- festive snailfish
  Liparis megacephalus (Burke, 1912) -- valid -- bighead snailfish
  Liparis micraspidophorus (Gilbert and Burke, 1912) -- valid -- thumbtack snailfish
  Liparis mucosus Ayres, 1855 -- valid -- slimy snailfish, baboso mucoso
  Liparis ochotensis Schmidt, 1904 -- valid -- Okhotsk snailfish
  Liparis pulchellus Ayres, 1855 -- valid -- showy snailfish
  Liparis rutteri (Gilbert and Snyder in Jordan and Evermann, 1898) -- valid -- ringtail snailfish
  Liparis tunicatus Reinhardt, 1836 -- valid -- Greenland seasnail, kelp snailfish, limace des laminaires
  Lipariscus nanus Gilbert, 1915 -- valid -- pygmy snailfish
  Lipogramma anabantoides Böhlke, 1960 -- valid -- spotfin basslet, dusky basslet
  Lipogramma evides Robins and Colin, 1979 -- valid -- banded basslet, cabrilleta cinteada
  Lipogramma trilineatum Randall, 1963 -- valid -- threeline basslet, cabrilleta tres rayas
  Lobotes pacificus Gilbert in Jordan and Evermann, 1898 -- valid -- west coast tripletail, West Coast tripletail, dormilona del Pacífico, Pacific tripletail
  Lobotes surinamensis (Bloch, 1790) -- valid -- tripletail, biajaca de mar, Atlantic tripletail, dormilona del Atlántico
  Lobotidae -- valid -- flashers, tripletails, croupias, dormilonas
  Lonchopisthus micrognathus (Poey, 1860) -- valid -- swordtail jawfish, guardian lanceolado, bocón rayado
  Lonchopisthus sinuscalifornicus Castro-Aguirre and Villavicencio-Garayzar, 1988 -- valid -- bocón cola larga, longtail jawfish
  Lophiidae -- valid -- anglerfishes, goosefishes, monkfishes, rapes pescadores, baudroies
  Lophiiformes -- valid -- baudroies, anglerfishes
  Lophiodes caulinaris (Garman, 1899) -- valid -- spottedtail goosefish, rape rabo manchado
  Lophiodes reticulatus Caruso and Suttkus, 1979 -- valid -- reticulate goosefish, rape hocicón
  Lophiodes spilurus (Garman, 1899) -- valid -- threadfin goosefish, rape de hebra
  Lophius americanus Valenciennes in Cuvier and Valenciennes, 1837 -- valid -- goosefish, monkfish, baudroie d'Amérique
  Lophius gastrophysus Miranda Ribeiro, 1915 -- valid -- blackfin goosefish, rape pescador
  Lophogobius cyprinoides (Pallas, 1770) -- valid -- gobio encrestado, crested goby, gobio gallo
  Lopholatilus chamaeleonticeps Goode and Bean, 1879 -- valid -- blue tilefish, tilefish, conejo amarillo
  Lophotidae -- valid -- crestfishes, peces flecos, poissons crêtés
  Lophotus capellei Temminck and Schlegel, 1845 -- valid -- crestfish, North Pacific crestfish
  Lophotus lacepede Giorna, 1809 -- valid -- fleco de gallo, crestfish
  Loricariidae Rafinesque, 1815 -- valid -- suckermouth armored catfishes, suckermouth catfishes, loricariidés, plecóstomas, armored catfishes
  Lota lota (Linnaeus, 1758) -- valid -- burbot, eelpout, lotte
  Lucania goodei Jordan, 1880 -- valid -- blue-fintop minnow, bluefin killifish
  Lucania interioris Hubbs and Miller, 1965 -- valid -- Cuatrocienegas killifish, Cuatro Cienegas killifish, sardinilla de Cuatro Ciénegas
  Lucania parva (Baird and Girard in Girard, 1855) -- valid -- rainwater killifish, sardinilla de lluvia
  Lumpenella longirostris (Evermann and Goldsborough, 1907) -- valid -- longsnout prickleback
  Lumpenus fabricii Reinhardt, 1836 -- valid -- slender eelblenny, lompénie élancée
  Lumpenus lampretaeformis (Walbaum, 1792) -- valid -- snakeblenny, serpent blenny, lompénie-serpent
  Lumpenus sagitta Wilimovsky, 1956 -- valid -- snake prickleback
  Lupinoblennius nicholsi (Tavolga, 1954) -- valid -- highfin blenny, borracho aletón
  Lupinoblennius vinctus (Poey, 1867) -- valid -- blenio de mangle, mangrove blenny
  Lutjanidae Gill, 1861 -- valid -- snappers, vivaneaux, fusiliers, pargos, huachinangos
  Lutjanus analis (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- pargo criollo, Mutton Snapper, vivaneau sorbe
  Lutjanus apodus (Walbaum, 1792) -- valid -- cají, pargo canchix, schoolmaster snapper, Schoolmaster, vivaneau dent-chien, pargo amarillo
  Lutjanus aratus (Günther, 1864) -- valid -- pargo raicero, Mullet Snapper, vivaneau radis
  Lutjanus argentiventris (Peters, 1869) -- valid -- yellowtail snapper, pargo amarillo, Amarillo Snapper, yellow snapper, vivaneau jaune, huachinango
  Lutjanus buccanella (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- pargo sesí, Blackfin Snapper, vivaneau oreille noire
  Lutjanus campechanus (Poey, 1860) -- valid -- pargo colorado, huachinango del Golfo, Red Snapper, northern red snapper, vivaneau campèche, pargo del Golfo
  Lutjanus colorado Jordan and Gilbert, 1882 -- valid -- pargo colorado, Colorado Snapper, vivaneau amarante, pargo rojo
  Lutjanus cyanopterus (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- cubera, pargo cubera, Cubera Snapper, vivaneau cubéra
  Lutjanus griseus (Linnaeus, 1758) -- valid -- caballerete, pargo mulato, Gray Snapper, Vivaneau sarde grise, Pargo prieto
  Lutjanus guttatus (Steindachner, 1869) -- valid -- Spotted Rose Snapper, pargo flamenco, Vivaneau rose, Pargo lunarejo
  Lutjanus inermis (Peters, 1869) -- valid -- pargo rabirrubia, Pacific rabirubia, Golden Snapper, Vivaneau barbe blonde
  Lutjanus jocu (Bloch and Schneider, 1801) -- valid -- jocú, pargo caballera, Dog Snapper, Vivaneau chien, Pargo jocú
  Lutjanus jordani (Gilbert in Jordan and Evermann, 1898) -- valid -- pargo colmillón, Jordan's snapper, Whipper Snapper, Vivaneau huachinango, Huachinango
  Lutjanus mahogoni (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- ojanco, pargo ojón, Mahogany Snapper, Vivaneau voyeur
  Lutjanus novemfasciatus Gill, 1862 -- valid -- black snapper, dog snapper, pargo prieto, Pacific Dog Snapper, Vivaneau charbonnier, Pargo negro
  Lutjanus peru (Nichols and Murphy, 1922) -- valid -- huachinango del Pacífico, Pacific Red Snapper, Vivaneau garance, Pargo gringo
  Lutjanus purpureus (Poey, 1866) -- valid -- southern red snapper, pargo rojo, Caribbean Red Snapper, Vivaneau rouge, Pargo colorado
  Lutjanus synagris (Linnaeus, 1758) -- valid -- pargo biajaiba, Lane Snapper, Vivaneau gazou
  Lutjanus viridis (Valenciennes, 1846) -- valid -- pargo azul-dorado, Blue-and-gold Snapper
  Lutjanus vivanus (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- huachinango ojo amarillo, Silk Snapper, Vivaneau soie, Pargo de lo alto
  Luvaridae -- valid -- louvars, Luvarsus fishes, emperadores, louvereaux, emperadores, louvars, louvereaux
  Luvarus imperialis Rafinesque, 1810 -- valid -- louvar, emperador, Louvar
  Luxilus albeolus (Jordan, 1889) -- valid -- White Shiner
  Luxilus cardinalis (Mayden, 1988) -- valid -- Cardinal Shiner
  Luxilus cerasinus (Cope, 1868) -- valid -- Crescent Shiner
  Luxilus chrysocephalus Rafinesque, 1820 -- valid -- méné rayé, Striped Shiner
  Luxilus coccogenis (Cope, 1868) -- valid -- Warpaint Shiner
  Luxilus cornutus (Mitchill, 1817) -- valid -- Common Shiner, méné à nageoires rouges
  Luxilus pilsbryi (Fowler, 1904) -- valid -- Duskystripe Shiner
  Luxilus zonatus (Putnam, 1863) -- valid -- Bleeding Shiner
  Luxilus zonistius Jordan, 1880 -- valid -- Bandfin Shiner
  Lycenchelys paxillus (Goode and Bean, 1879) -- valid -- common wolf eel, lycode commun
  Lycenchelys verrillii (Goode and Bean, 1877) -- valid -- wolf eelpout
  Lycodapus fierasfer Gilbert, 1890 -- valid -- blackmouth eelpout
  Lycodapus mandibularis Gilbert, 1915 -- valid -- pallid eelpout
  Lycodapus parviceps Gilbert, 1896 -- valid -- smallhead eelpout
  Lycodapus psarostomatus Peden and Anderson, 1981 -- valid -- specklemouth eelpout
  Lycodes brevipes Bean, 1890 -- valid -- shortfin eelpout
  Lycodes concolor Gill and Townsend, 1897 -- valid -- ebony eelpout
  Lycodes cortezianus (Gilbert, 1890) -- valid -- bigfin eelpout
  Lycodes diapterus Gilbert, 1892 -- valid -- black eelpout
  Lycodes esmarkii Collett, 1875 -- valid -- Esmark's eelpout, greater eelpout, lycode d'Esmark
  Lycodes fasciatus (Schmidt, 1904) -- valid -- banded eelpout
  Lycodes jugoricus Knipowitsch, 1906 -- valid -- shulupaoluk
  Lycodes lavalaei Vladykov and Tremblay, 1936 -- valid -- lycode du Labrador, Newfoundland eelpout
  Lycodes mucosus Richardson, 1855 -- valid -- saddled eelpout
  Lycodes pacificus Collett, 1879 -- valid -- blackbelly eelpout, viruela panza negra
  Lycodes palearis Gilbert, 1896 -- valid -- wattled eelpout
  Lycodes pallidus Collett, 1879 -- valid -- pale eelpout, lycode pâle
  Lycodes polaris (Sabine, 1824) -- valid -- lycode polaire, Canadian eelpout
  Lycodes raridens Taranetz and Andriashev in Andriashev, 1937 -- valid -- sparse-toothed lycod, marbled eelpout
  Lycodes reticulatus Reinhardt, 1835 -- valid -- Arctic eelpout, lycode arctique
  Lycodes rossi Malmgren, 1865 -- valid -- threespot eelpout
  Lycodes turneri Bean, 1879 -- valid -- polar eelpout
  Lycodes vahlii Reinhardt, 1831 -- valid -- Vahl's eelpout, lycode à carreaux, checker eelpout
  Lyconema barbatum Gilbert, 1896 -- valid -- bearded eelpout, viruela barbona
  Lyopsetta exilis (Jordan & Gilbert, 1880) -- valid -- platija flaca, slender sole, plie mince, Slender Sole
  Lythrurus alegnotus (Snelson, 1972) -- valid -- Warrior Shiner
  Lythrurus ardens (Cope, 1868) -- valid -- Rosefin Shiner
  Lythrurus atrapiculus (Snelson, 1972) -- valid -- Blacktip Shiner
  Lythrurus bellus (Hay, 1881) -- valid -- Pretty Shiner
  Lythrurus fasciolaris (Gilbert, 1891) -- valid -- scarletfin shiner, Scarlet Shiner
  Lythrurus fumeus (Evermann, 1892) -- valid -- Ribbon Shiner
  Lythrurus lirus (Jordan, 1877) -- valid -- Mountain Shiner
  Lythrurus matutinus (Cope, 1870) -- valid -- pinewood shiner, Pinewoods Shiner
  Lythrurus roseipinnis (Hay in Jordan, 1885) -- valid -- Cherryfin Shiner
  Lythrurus snelsoni (Robison, 1985) -- valid -- Ouachita Shiner, Ouachita Mountain shiner
  Lythrurus umbratilis (Girard, 1856) -- valid -- Redfin Shiner
  Lythrypnus dalli (Gilbert, 1890) -- valid -- bluebanded goby, gobio bonito
  Lythrypnus elasson Böhlke and Robins, 1960 -- valid -- dwarf goby, gobio enano
  Lythrypnus insularis Bussing, 1990 -- valid -- distant goby, gobio isleño
  Lythrypnus nesiotes Böhlke and Robins, 1960 -- valid -- island goby, gobio isla, gobio insular
  Lythrypnus phorellus Böhlke and Robins, 1960 -- valid -- convict goby, gobio reo
  Lythrypnus pulchellus Ginsburg, 1938 -- valid -- gobio coquetón, gorgeous goby
  Lythrypnus rhizophora (Heller and Snodgrass, 1903) -- valid -- gobio ligero, spottedcheek goby
  Lythrypnus spilus Böhlke and Robins, 1960 -- valid -- bluegold goby, gobio marcado
  Lythrypnus zebra (Gilbert, 1890) -- valid -- zebra goby, gobio cebra
  Macrhybopsis aestivalis (Girard, 1856) -- valid -- Speckled Chub, carpa pecosa
  Macrhybopsis australis (Hubbs and Ortenburger, 1929) -- valid -- Prairie Chub, Red River chub
  Macrhybopsis gelida (Girard, 1856) -- valid -- Sturgeon Chub, sicklefin chub
  Macrhybopsis hyostoma (Gilbert, 1884) -- valid -- Shoal Chub, central chub
  Macrhybopsis marconis (Jordan and Gilbert, 1886) -- valid -- Burrhead Chub, Guadaloupe chub
  Macrhybopsis meeki (Jordan and Evermann, 1896) -- valid -- Sicklefin Chub, sturgeon chub
  Macrhybopsis storeriana (Kirtland, 1845) -- valid -- méné à grandes écailles, Silver Chub
  Macrhybopsis tetranema (Gilbert, 1886) -- valid -- Canadian Speckled Chub, Arkansas River speckled chub, Peppered Chub, Arkansas chub
  Macropinna microstoma Chapman, 1939 -- valid -- barreleye
  Macroramphosidae -- valid -- snipefishes, bécasses de mer, trompeteros
  Macroramphosus gracilis (Lowe, 1839) -- valid -- slender snipefish, tirador alargado, trompetero flaco
  Macroramphosus scolopax (Linnaeus, 1758) -- valid -- longspine snipefish, trompetero copete
  Macrouridae Gilbert and Hubbs, 1916 -- valid -- grenadiers, rattails, grenadiers, marcrouridés, granaderos
  Macrourus berglax Lacepède, 1801 -- valid -- roughhead grenadier, smoothspined grenadier, onion-eye grenadier, grenadier berglax
  Magnisudis atlantica (Krøyer, 1868) -- valid -- barracudina pequeña, duckbill barracudina, barracudina pico de pato
  Makaira indica (Cuvier in Cuvier and Valenciennes, 1832) -- invalid -- giant black marlin, Pacific black marlin, silver marlin, black marlin, marlin negro
  Makaira mazara (Jordan and Snyder, 1901) -- invalid -- Pacific blue marlin, Indo-Pacific blue marlin, black spearfish, marlin azul del Indo-Pacífico
  Makaira nigricans Lacepède, 1802 -- valid -- blue marlin, Atlantic blue marlin, Cuban black marlin, castero, marlin azul
  Malacanthidae -- valid -- tilefishes, blanquillos, tiles
  Malacanthus plumieri (Bloch, 1786) -- valid -- sand tilefish, matejuelo blanco, matajuelo blanco
  Malacocephalus occidentalis Goode and Bean, 1885 -- valid -- western softhead grenadier, granadero carapacho, American straptail grenadier
  Malacocottus kincaidi Gilbert and Thompson, 1905 -- valid -- blackfin sculpin
  Malacocottus zonurus Bean, 1890 -- valid -- darkfin sculpin
  Malacoctenus aurolineatus Smith, 1957 -- valid -- goldline blenny, sapito lincado, trambollo lineado
  Malacoctenus boehlkei Springer, 1959 -- valid -- diamond blenny, diamond blenny, trambollo diamantino
  Malacoctenus ebisui Springer, 1959 -- valid -- fishgod blenny, trambollo dorado
  Malacoctenus erdmani Smith, 1957 -- valid -- imitator blenny, imitator blenny, sapito imitador, trambollo imitador
  Malacoctenus gigas Springer, 1959 -- valid -- Sonora blenny, trambollo de Sonora
  Malacoctenus gilli (Steindachner, 1867) -- valid -- dusky blenny, dusky blenny, sapito pardo, trambollo pardo
  Malacoctenus hubbsi Springer, 1959 -- valid -- redside blenny, trambollo rojo
  Malacoctenus macropus (Poey, 1868) -- valid -- rosy blenny, sapito rosado, trambollo rosado
  Malacoctenus margaritae (Fowler, 1944) -- valid -- margarita blenny, trambollo margarita
  Malacoctenus tetranemus (Cope, 1877) -- valid -- throatspotted blenny, trambollo pintado
  Malacoctenus triangulatus Springer, 1959 -- valid -- saddled blenny, saddle blenny, sapito de inontura, trambollo ensillado
  Malacoctenus versicolor (Poey, 1876) -- valid -- barfin blenny, barfin blenny, sapito multicolor, trambollo multicolor
  Malacoctenus zacae Springer, 1959 -- valid -- trambollo aletiamarilla, Zaca blenny
  Malacoctenus zonifer (Jordan and Gilbert, 1882) -- valid -- glossy blenny, trambollo brilloso
  Malacoraja senta (Garman, 1885) -- valid -- raie à queue de velours, smooth skate
  Mallotus villosus (Müller, 1776) -- valid -- capelin, capelan
  Manta birostris (Walbaum, 1792) -- valid -- manta gigante, giant manta, Atlantic manta, manta, Pacific manta
  Margariscus margarita (Cope, 1867) -- valid -- Allegheny Pearl Dace, pearl dace, mulet perlé
  Margariscus nachtriebi (Cox, 1896) -- valid -- mulet perlé du nord, Northern Pearl Dace
  Maurolicus weitzmani Parin and Kobyliansky, 1993 -- valid -- pearlsides, luciérnaga perlada, pearlside, Weitzman's pearlside, Atlantic pearlside
  Meda fulgida Girard, 1856 -- valid -- carpita aguda, Spikedace
  Medialuna californiensis (Steindachner, 1876) -- valid -- halfmoon, chopa medialuna
  Megachasma pelagios Taylor, Compagno and Struhsaker, 1983 -- valid -- tiburón bocón, megamouth shark
  Megachasmidae Taylor, Compagno and Struhsaker, 1983 -- valid -- requins à grande gueule, tiburones bocones, megamouth sharks
  Megalocottus platycephalus (Pallas, 1814) -- valid -- belligerent sculpin
  Megalopidae -- valid -- tarpons, sábalos, tarpons
  Megalops atlanticus Valenciennes in Cuvier and Valenciennes, 1847 -- valid -- tarpon, sábalo
  Megupsilon aporus Miller and Walters, 1972 -- valid -- Catarina pupfish, cachorrito enano de Potosí
  Melanogrammus aeglefinus (Linnaeus, 1758) -- valid -- haddock, aiglefin
  Melanorhinus cyanellus (Meek and Hildebrand, 1923) -- valid -- blackback silverside, pejerrey azulado
  Melanostigma atlanticum Koefoed, 1952 -- valid -- Atlantic soft pout, mollasse atlantique
  Melanostigma pammelas Gilbert, 1896 -- valid -- black eelpout, midwater eelpout, viruela carbonera, black eelpout
  Melichthys niger (Bloch, 1786) -- valid -- black durgon, negrito, black triggerfish, cochito negro, Black Durgon
  Membras gilberti (Jordan and Bollman, 1890) -- valid -- landia silverside, pejerrey landia
  Membras martinica (Valenciennes in Cuvier and Valenciennes, 1835) -- valid -- rough silverside, pejerrey rasposo
  Menidia audens Hay, 1882 -- invalid -- mississippi silverside, Mississippi silverside
  Menidia beryllina (Cope, 1867) -- valid -- inland silverside, tidewater silverside, plateadito salado
  Menidia clarkhubbsi Echelle and Mosier, 1982 -- valid -- Texas silverside
  Menidia colei Hubbs, 1936 -- valid -- golden silverside, plateadito de Progreso
  Menidia conchorum Hildebrand and Ginsburg, 1927 -- valid -- key silverside
  Menidia extensa Hubbs and Raney, 1946 -- valid -- Waccamaw silverside
  Menidia menidia (Linnaeus, 1766) -- valid -- Atlantic silverside, capucette
  Menidia peninsulae (Goode and Bean, 1879) -- valid -- tidewater silverside, plateadito playero
  Menticirrhus americanus (Linnaeus, 1758) -- valid -- southern kingfish, jewsharp drummer, berrugato zorro
  Menticirrhus elongatus (Günther, 1864) -- valid -- verrugata, verrugata, berrugato fino, slender kingfish
  Menticirrhus littoralis (Holbrook, 1847) -- valid -- Gulf kingfish, berrugato del Golfo
  Menticirrhus nasus (Günther, 1868) -- valid -- berrugato real, highfin kingfish
  Menticirrhus paitensis Hildebrand, 1946 -- valid -- berrugato chulo, Paita kingfish
  Menticirrhus panamensis (Steindachner, 1877) -- valid -- berrugato panameño, Panama kingfish
  Menticirrhus saxatilis (Bloch and Schneider, 1801) -- valid -- northern kingfish, Gulf minkfish, berrugato ratón
  Menticirrhus undulatus (Girard, 1854) -- valid -- California corbina, California whiting, berrugato californiano
  Merlucciidae Gill, 1884 -- valid -- hakes, merluccid hakes, merlus, merluzas, merlucciid hakes
  Merluccius albidus (Mitchill, 1818) -- valid -- offshore hake, offshore whiting
  Merluccius angustimanus Garman, 1899 -- valid -- Panama hake, merluza panameña
  Merluccius bilinearis (Mitchill, 1814) -- valid -- silver hake, merlu argenté
  Merluccius hernandezi Mathews, 1985 -- valid -- Cortez hake, merluza de Cortés
  Merluccius productus (Ayres, 1855) -- valid -- North Pacific hake, whiting, Pacific hake, merluza norteña, Pacific whiting
  Microcottus sellaris (Gilbert, 1896) -- valid -- brightbelly sculpin
  Microdesmidae -- valid -- wormfishes, peces lombriz, poissons-lombrics, dartfishes
  Microdesmus affinis Meek and Hildebrand, 1928 -- valid -- olivaceous wormfish, pez lombriz oliváceo
  Microdesmus carri Gilbert, 1966 -- valid -- pez lombriz punteado, stippled wormfish
  Microdesmus dipus Günther, 1864 -- valid -- banded wormfish, pez lombriz rayado
  Microdesmus dorsipunctatus Dawson, 1968 -- valid -- pez lombriz lomo punteado, spotback wormfish
  Microdesmus lanceolatus Dawson, 1962 -- valid -- lancetail wormfish
  Microdesmus longipinnis (Weymouth, 1910) -- valid -- pink wormfish
  Microdesmus retropinnis Jordan and Gilbert, 1882 -- valid -- pez lombriz aletatrasera, rearfin wormfish
  Microdesmus suttkusi Gilbert, 1966 -- valid -- pez lombriz manchado, spotside wormfish
  Microgadus proximus (Girard, 1854) -- valid -- Pacific tomcod
  Microgadus tomcod (Walbaum, 1792) -- valid -- Atlantic tomcod, frostfish, poulamon atlantique
  Microgobius brevispinis Ginsburg, 1939 -- valid -- Balboa goby, gobio de Balboa
  Microgobius carri Fowler, 1945 -- valid -- Seminole goby
  Microgobius cyclolepis Gilbert, 1890 -- valid -- gobio escamas redondas, roundscale goby
  Microgobius emblematicus (Jordan and Gilbert, 1882) -- valid -- emblem goby, gobio emblema
  Microgobius erectus Ginsburg, 1938 -- valid -- erect goby, gobio chato
  Microgobius gulosus (Girard, 1858) -- valid -- clown goby, gobio payaso
  Microgobius microlepis Longley and Hildebrand, 1940 -- valid -- banner goby, gobio bandera
  Microgobius miraflorensis Gilbert and Starks, 1904 -- valid -- gobio de Miraflores, Miraflores goby
  Microgobius tabogensis Meek and Hildebrand, 1928 -- valid -- gobio de Taboga, Taboga goby
  Microgobius thalassinus (Jordan and Gilbert, 1883) -- valid -- green goby
  Microlepidotus brevipinnis (Steindachner, 1869) -- valid -- brassy grunt, ronco bronceado
  Microlepidotus inornatus Gill, 1862 -- valid -- wavyline grunt, ronco rayadillo
  Micromesistius poutassou (Risso, 1827) -- valid -- blue whiting, poutassou, Couch's whiting, putassu
  Micrometrus aurora (Jordan and Gilbert, 1880) -- valid -- reef perch, mojarra de arrecife
  Micrometrus minimus (Gibbons, 1854) -- valid -- dwarf perch, mojarra enana
  Microphis brachyurus (Bleeker, 1853) -- valid -- opossum pipefish, shorttailed pipefish, trompetero colinegro, pez pipa culebra
  Micropogonias altipinnis (Günther, 1864) -- valid -- chano sureño, golden croaker
  Micropogonias ectenes (Jordan and Gilbert, 1882) -- valid -- chano mexicano, slender croaker
  Micropogonias megalops (Gilbert, 1890) -- valid -- chano norteño, Gulf croaker
  Micropogonias undulatus (Linnaeus, 1766) -- valid -- Atlantic croaker, roncadina, gurrubata
  Micropterus cataractae Williams and Burgess, 1999 -- valid -- Shoal Bass
  Micropterus coosae Hubbs and Bailey, 1940 -- valid -- Redeye Bass
  Micropterus dolomieu Lacepède, 1802 -- valid -- achigan à petite bouche, Smallmouth Bass, lobina boca chica
  Micropterus notius Bailey and Hubbs, 1949 -- valid -- Suwannee Bass
  Micropterus punctulatus (Rafinesque, 1819) -- valid -- Spotted Bass
  Micropterus salmoides (Lacepède, 1802) -- valid -- Largemouth Bass, lobina negra, achigan à grande bouche
  Micropterus treculii (Vaillant and Bocourt, 1874) -- valid -- Guadalupe bass, Guadaloupe Bass
  Microspathodon bairdii (Gill, 1862) -- valid -- bumphead damselfish, jaqueta vistosa
  Microspathodon chrysurus (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- yellowtail damselfish, chopita de cola amarilla, jaqueta coliamarilla
  Microspathodon dorsalis (Gill, 1862) -- valid -- giant damselfish, jaqueta gigante
  Microstomus pacificus (Lockington, 1879) -- valid -- Dover sole, platija resbalosa, Dover Sole, limande-sole
  Millerichthys robustus (Miller and Hubbs, 1974) -- valid -- almirante mexicano, Mexican rivulus
  Minytrema melanops (Rafinesque, 1820) -- valid -- Spotted Sucker, meunier tacheté
  Misgurnus anguillicaudatus (Cantor, 1842) -- valid -- oriental weatherfish, dojo, Japanese weatherfish
  Mitsukurina owstoni Jordan, 1898 -- valid -- goblin shark
  Mitsukurinidae Jordan, 1898 -- valid -- requins-lutins, tiburones duende, goblin sharks
  Moapa coriacea Hubbs and Miller, 1948 -- invalid -- Moapa dace
  Mobula hypostoma (Bancroft, 1831) -- valid -- manta del Golfo, devil ray, Atlantic devil ray, manta enana
  Mobula japanica (Müller and Henle, 1841) -- valid -- manta arpón, spinetail mobula
  Mobula munkiana Notarbartolo-di-Sciara, 1987 -- valid -- manta chica, pygmy devil ray
  Mobula tarapacana (Philippi, 1893) -- valid -- sicklefin devil ray, manta cornuda
  Mobula thurstoni (Lloyd, 1908) -- valid -- manta doblada, smoothtail mobula
  Mobulidae Gill, 1893 -- valid -- mantas, mantes, devil rays, mantas
  Mola lanceolata (Liénard, 1840) -- invalid -- sharptail mola, mola coliaguda, Sharptail Mola
  Mola mola (Linnaeus, 1758) -- valid -- ocean sunfish, pez luna, mola, môle, Ocean Sunfish
  Molidae -- valid -- trunkfishes, headfishes, molas, ocean sunfishes, molas, poissons-lune
  Molva molva (Linnaeus, 1758) -- valid -- drizzie, ling cod, molva, sea pike, European ling, ling
  Monacanthidae -- valid -- filefishes, lijas, poissons-bourses
  Monacanthus ciliatus (Mitchill, 1818) -- valid -- fringed filefish, sobaco común, lija de clavo, Fringed Filefish, lime frangée
  Monacanthus tuckeri Bean, 1906 -- valid -- slender filefish, lija reticulada, Slender Filefish
  Monolene antillarum Norman, 1933 -- valid -- slim flounder, Slim Flounder
  Monolene asaedai Clark, 1936 -- invalid -- dark flounder, lenguado carbón, Dark Flounder
  Monolene dubiosa Garman, 1899 -- valid -- Acapulco flounder, lenguado acapulqueño, Acapulco Flounder
  Monolene maculipinna Garman, 1899 -- valid -- lenguado de profundidad, Pacific deepwater flounder, Pacific Deepwater Flounder
  Monolene sessilicauda Goode, 1880 -- valid -- deepwater flounder, cardeau des profondeurs, Deepwater Flounder
  Monopenchelys acuta (Parr, 1930) -- valid -- redface eel, redface moray, morena rubicunda
  Monopterus albus (Zuiew, 1793) -- valid -- swamp eel, white ricefield eel, rice eel, Asian swamp eel
  Moridae Moreau, 1881 -- valid -- codlings, deepsea codfishes, moras y carboneros, moras, morid cods, carboneros, moros, moras
  Moringua edwardsi (Jordan and Bollman, 1889) -- valid -- spaghetti eel, morenita de arena, morenita
  Moringuidae -- valid -- spaghetti eels, worm eels, anguilles-spaghettis, anguilas fideo
  Morone americana (Gmelin, 1789) -- valid -- White Perch, baret, White Perch Yellow Bass hybrid, Maryland Bass hybrid, Virginia Bass hybrid, White Perch White Bass hybrid
  Morone chrysops (Rafinesque, 1820) -- valid -- White Bass, bar blanc, White Bass Yellow Bass hybrid, White Bass White Perch hybrid, Wiper hybrid, Whiterock Bass hybrid, Sunshine Bass hybrid, Palmetto Bass hybrid
  Morone mississippiensis Jordan and Eigenmann in Eigenmann, 1887 -- valid -- Yellow Bass, White Perch Yellow Bass hybrid, Paradise Bass hybrid, White Bass Yellow Bass hybrid
  Morone saxatilis (Walbaum, 1792) -- valid -- rockfish, Striped Bass, lobina estriada, bar rayé, Paradise Bass hybrid, Wiper hybrid, Virginia Bass hybrid, Maryland Bass hybrid, Whiterock Bass hybrid, Sunshine Bass hybrid, Palmetto Bass hybrid
  Moronidae -- valid -- temperate basses, bars, lobinas norteñas
  Moxostoma albidum (Girard, 1856) -- valid -- Longlip Jumprock, matalote blanco
  Moxostoma anisurum (Rafinesque, 1820) -- valid -- Silver Redhorse, chevalier blanc
  Moxostoma ariommum Robins and Raney, 1956 -- valid -- Bigeye Jumprock
  Moxostoma austrinum Bean, 1880 -- valid -- west Mexican redhorse, Mexican Redhorse, matalote chuime
  Moxostoma breviceps (Cope, 1870) -- valid -- Smallmouth Redhorse, hookfin redhorse
  Moxostoma carinatum (Cope, 1870) -- valid -- River Redhorse, chevalier de rivière
  Moxostoma cervinum (Cope, 1868) -- valid -- black jumprock, Blacktip Jumprock
  Moxostoma collapsum (Cope, 1870) -- valid -- piedmont redhorse, Notchlip Redhorse
  Moxostoma congestum (Baird and Girard, 1854) -- valid -- Gray Redhorse, matalote gris
  Moxostoma duquesnei (Lesueur, 1817) -- valid -- Black Redhorse, chevalier noir
  Moxostoma duquesnii (Lesueur, 1817) -- invalid -- black redhorse
  Moxostoma erythrurum (Rafinesque, 1818) -- valid -- Golden Redhorse, chevalier doré
  Moxostoma hubbsi Legendre, 1952 -- valid -- Copper Redhorse, chevalier cuivré
  Moxostoma lacerum (Jordan and Brayton, 1877) -- valid -- hairlip redhorse, Harelip Sucker
  Moxostoma lachneri Robins and Raney, 1956 -- valid -- Greater Jumprock
  Moxostoma macrolepidotum (Lesueur, 1817) -- valid -- Shorthead Redhorse, chevalier rouge
  Moxostoma mascotae Regan, 1907 -- valid -- Mascota Jumprock, matalote de Mascota
  Moxostoma pappillosum (Cope, 1870) -- valid -- suckermouth redhorse, V-lip Redhorse, slender redhorse
  Moxostoma pisolabrum Trautman and Martin, 1951 -- valid -- Pealip Redhorse
  Moxostoma poecilurum Jordan, 1877 -- valid -- blacktail redhorse
  Moxostoma robustum (Cope, 1870) -- valid -- smallfin redhorse, Robust Redhorse
  Moxostoma rupiscartes Jordan and Jenkins in Jordan, 1889 -- valid -- Striped Jumprock
  Moxostoma valenciennesi Jordan, 1885 -- valid -- Greater Redhorse, chevalier jaune
  Mugil cephalus Linnaeus, 1758 -- valid -- striped mullet, lisa, gray mullet, black mullet, lisa rayada
  Mugil curema Valenciennes in Cuvier and Valenciennes, 1836 -- valid -- white mullet, lisa blanca, silver mullet
  Mugil gyrans (Jordan and Gilbert, 1884) -- valid -- fantail mullet, whirligig mullet, lisa carrusel
  Mugil hospes Jordan and Culver in Jordan, 1895 -- valid -- hospe mullet, lisita, lisa hospe
  Mugil liza Valenciennes in Cuvier and Valenciennes, 1836 -- valid -- liza, lebrancho
  Mugil setosus Gilbert, 1892 -- valid -- lisa liseta, liseta mullet
  Mugil trichodon Poey, 1875 -- valid -- fantail mullet, lisa de abanico, lisa amarilla
  Mugilidae -- valid -- mullets, grey mullets, lisas, muges
  Mullidae -- valid -- goat fishes, chivos, surmulets, goatfishes, red mullets, surmullets
  Mulloidichthys dentatus (Gill, 1862) -- valid -- Mexican goatfish, chivo barbón
  Mulloidichthys martinicus (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- yellow goatfish, salmonete amarillo, chivo amarillo
  Mullus auratus Jordan and Gilbert, 1882 -- valid -- red goatfish, salmonete rojo, chivo colorado
  Muraena argus (Steindachner, 1870) -- valid -- Argus moray, morena Argos
  Muraena clepsydra Gilbert in Jordan and Evermann, 1898 -- valid -- hourglass moray, morena clepsidra
  Muraena lentiginosa Jenyns, 1842 -- valid -- jewel moray, morena pinta
  Muraena retifera Goode and Bean, 1882 -- valid -- reticulate moray, morena reticulada
  Muraena robusta Osório, 1911 -- valid -- stout moray
  Muraenesocidae -- valid -- false conger eels, pike congers, congrios picudos, congres-brochets
  Muraenidae -- valid -- morays, morenas, murènes, moray eels
  Mustelus californicus Gill, 1864 -- valid -- cazón mamón, gray smoothhound
  Mustelus canis (Mitchill, 1815) -- valid -- cazón dientón, dusky smooth-hound, smooth dogfish
  Mustelus dorsalis Gill, 1864 -- valid -- sharptooth smooth-hound, sharptooth smoothhound, cazón tripa
  Mustelus henlei (Gill, 1863) -- valid -- cazón hilacho, brown smoothhound
  Mustelus lunulatus Jordan and Gilbert, 1882 -- valid -- cazón segador, sicklefin smoothhound
  Mustelus norrisi Springer, 1939 -- valid -- cazón viuda, Florida smoothhound, narrowfin smooth-hound, boca dulce
  Mustelus sinusmexicanus Heemstra, 1997 -- valid -- cazón del Golfo, Gulf smoothhound
  Mycteroperca acutirostris (Valenciennes in Cuvier and Valenciennes, 1828) -- valid -- bonací rojo, cherna peineta, western comb grouper, comb grouper
  Mycteroperca bonaci (Poey, 1860) -- valid -- black grouper, aguaj í, cherna negrillo
  Mycteroperca interstitialis (Poey, 1860) -- valid -- yellowmouth grouper, abadejo, cherna boca amarilla
  Mycteroperca jordani (Jenkins and Evermann, 1889) -- valid -- Gulf grouper, baya
  Mycteroperca microlepis (Goode and Bean, 1879) -- valid -- gag, abadejo, charcoal belly
  Mycteroperca phenax Jordan and Swain, 1884 -- valid -- scamp, abadejo garropa
  Mycteroperca prionura Rosenblatt and Zahuranec, 1967 -- valid -- cabrilla chiruda, sawtail grouper
  Mycteroperca rosacea (Streets, 1877) -- valid -- cabrilla sardinera, leopard grouper, golden grouper
  Mycteroperca tigris (Valenciennes in Cuvier and Valenciennes, 1833) -- valid -- tiger grouper, bonací gato, cabrilla gato
  Mycteroperca venenosa (Linnaeus, 1758) -- valid -- yellowfin grouper, arigua, guacamayo, princess rockfish
  Mycteroperca xenarcha Jordan, 1888 -- valid -- broomtail grouper, cabrilla plomuda
  Myctophidae -- valid -- linternillas, poissons-lanternes, lanternfishes
  Myctophum affine (Lütken, 1892) -- valid -- pez linterna, metallic lanternfish
  Myctophum punctatum Rafinesque, 1810 -- valid -- spotted lanternfish, spotted laternfish, lanterne ponctuée
  Myliobatidae Bonaparte, 1838 -- valid -- aigles de mer, águilas marinas, eagle rays
  Myliobatis californica Gill, 1865 -- valid -- tecolote, bat ray
  Myliobatis freminvillei Lesueur, 1824 -- invalid -- águila naríz de vaca, bullnose ray
  Myliobatis goodei Garman, 1885 -- valid -- southern eagle ray
  Myliobatis longirostris Applegate and Fitch, 1964 -- valid -- águila picuda, longnose eagle ray
  Mylocheilus caurinus (Richardson, 1836) -- valid -- méné deux-barres, Peamouth
  Mylopharodon conocephalus (Baird and Girard in Girard, 1854) -- valid -- Hardhead
  Myoxocephalus aenaeus (Mitchill, 1814) -- valid -- grubby, little sculpin, chaboisseau bronzé
  Myoxocephalus jaok (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- plain sculpin
  Myoxocephalus niger (Bean, 1881) -- valid -- warthead sculpin
  Myoxocephalus octodecemspinosus (Mitchill, 1814) -- valid -- longhorn sculpin, gray sculpin, chaboisseau à dix-huit épines
  Myoxocephalus polyacanthocephalus (Pallas, 1814) -- valid -- great sculpin
  Myoxocephalus quadricornis (Linnaeus, 1758) -- valid -- fourhorn sculpin, chaboisseau à quatre cornes
  Myoxocephalus scorpioides (Fabricius, 1780) -- valid -- Arctic sculpin, chaboisseau arctique
  Myoxocephalus scorpius (Linnaeus, 1758) -- valid -- shorthorn sculpin, chaboisseau à épines courtes
  Myoxocephalus stelleri Tilesius, 1811 -- valid -- Steller's sculpin, frog sculpin
  Myoxocephalus thompsonii (Girard, 1851) -- valid -- deepwater sculpin, chabot de profondeur
  Myoxocephalus verrucosus (Bean, 1881) -- valid -- warty sculpin
  Myrichthys aspetocheiros McCosker and Rosenblatt, 1993 -- valid -- longfin spotted snake eel, tieso aletón
  Myrichthys breviceps (Richardson, 1848) -- valid -- sharptail eel, safío de manchas blancas, tieso afilado
  Myrichthys ocellatus (Lesueur, 1825) -- valid -- goldspotted eel, palespotted eel, safío ocelado, tieso manchas doradas
  Myrichthys pantostigmius Jordan and McGregor in Jordan and Evermann, 1898 -- valid -- Clarion snake eel, tieso manchado de Clarión
  Myrichthys tigrinus Girard, 1859 -- valid -- tiger snake eel, tieso tigre
  Myripristis berndti Jordan and Evermann, 1903 -- valid -- bigscale soldierfish, soldado azotado
  Myripristis clarionensis Gilbert, 1897 -- valid -- soldado amarillo, yellow soldierfish
  Myripristis jacobus Cuvier in Cuvier and Valenciennes, 1829 -- valid -- blackbar soldierfish, soldado raya negra, candil barreado
  Myripristis leiognathus Valenciennes, 1846 -- valid -- Panamic soldierfish, soldado panámico, Pacific soldierfish
  Myrophis platyrhynchus Breder, 1927 -- valid -- broadnose worm eel, tieso chato
  Myrophis punctatus Lütken, 1852 -- valid -- speckled worm eel, safío pecoso, tieso gusano
  Myrophis vafer Jordan and Gilbert, 1883 -- valid -- Pacific worm eel, tieso lombriz
  Myxine glutinosa Linnaeus, 1758 -- valid -- myxine du nord, Atlantic hagfish
  Myxini -- valid -- hagfishes
  Myxinidae -- valid -- brujas, myxines, hagfishes
  Myxodagnus macrognathus Hildebrand, 1946 -- valid -- longjaw stargazer, miraestrellas bocona
  Myxodagnus opercularis Gill, 1861 -- valid -- dart stargazer, miraestrellas virote
  Nannobrachium regale (Gilbert, 1892) -- valid -- pinpoint lampfish, linternilla puntita
  Narcine bancroftii (Griffith and Smith, 1834) -- valid -- lesser electric ray, raya eléctrica torpedo
  Narcine vermiculatus Breder, 1928 -- valid -- raya eléctrica rayada, vermiculate electric ray
  Narcinidae Gill, 1862 -- valid -- numbfishes, electric rays, narcinidés, rayas eléctricas
  Nasolamia velox (Gilbert in Jordan and Evermann, 1898) -- valid -- tiburón coyotito, whitenose shark
  Naucrates ductor (Linnaeus, 1758) -- valid -- pilotfish, piloto, pez piloto
  Nautichthys oculofasciatus (Girard, 1858) -- valid -- sailfin sculpin
  Nautichthys pribilovius (Jordan and Gilbert in Jordan and Evermann, 1898) -- valid -- eyeshade sculpin
  Nautichthys robustus Peden, 1970 -- valid -- shortmast sculpin
  Nealotus tripes Johnson, 1865 -- valid -- black snake mackerel, dómine negro, escolar listado
  Nebris occidentalis Vaillant, 1897 -- valid -- guavina, guavina, corvina guavina, Pacific smalleye croaker
  Nectoliparis pelagicus Gilbert and Burke, 1912 -- valid -- tadpole snailfish
  Negaprion brevirostris (Poey, 1868) -- valid -- tiburón limón, lemon shark, galano de ley
  Nemaclinus atelestos Böhlke and Springer, 1975 -- valid -- threadfin blenny
  Nematistiidae -- valid -- roosterfish, papagallos, plumières, roosterfishes
  Nematistius pectoralis Gill, 1862 -- valid -- roosterfish, papagallo
  Nemichthyidae -- valid -- snipe eels, anguilas tijera, poissons-avocettes
  Nemichthys scolopaceus Richardson, 1848 -- valid -- Atlantic snipe eel, slender snipe eel, tijera esbelta
  Neobythites gilli Goode and Bean, 1885 -- valid -- twospot brotula, brótula amarillenta
  Neobythites marginatus Goode and Bean, 1886 -- valid -- stripefin brotula
  Neobythites stelliferoides Gilbert, 1890 -- valid -- thread brotula, brótula de hebra
  Neoclinus blanchardi Girard, 1858 -- valid -- sarcastic fringehead, tubícola chusco
  Neoclinus stephensae Hubbs, 1953 -- valid -- yellowfin fringehead, tubícola aletiamarilla
  Neoclinus uninotatus Hubbs, 1953 -- valid -- onespot fringehead, tubícola mancha singular
  Neoconger mucronatus Girard, 1858 -- valid -- ridged eel, morenita acanalada, anguila fideo aquillada
  Neoepinnula americana (Grey, 1953) -- valid -- American sackfish, escolar americano
  Neogobius melanostomus (Pallas, 1814) -- valid -- gobie à taches noires, round goby
  Neomerinthe hemingwayi Fowler, 1935 -- valid -- spinycheek scorpionfish, rascacio mejilla espinosa
  Neoniphon marianus (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- carajuelo mariano, longjaw squirrelfish, longspine squirrelfish
  Neoopisthopterus tropicus (Hildebrand, 1946) -- valid -- sardinela pelada, tropical longfin herring
  Nes longus (Nichols, 1914) -- valid -- orangespotted goby, gobio de manchas naranja, gobio camaronícola
  Nesiarchus nasutus Johnson, 1862 -- valid -- black gemfish, dómine narizón, violet snake mackerel, escolar narigudo
  Nettastomatidae -- valid -- duckbill eels, serpentinas, anguilles à bec de canard
  Nettenchelys pygmaea Smith and Böhlke in Smith, Böhlke and Castle, 1981 -- valid -- pygmy pikeconger, serpentina enana
  Nezumia bairdii (Goode and Bean, 1877) -- valid -- grenadier du Grand Banc, marlin-spike, marlin-spike grenadier, rat-tail, common grenadier, granadero narizón
  Nezumia sclerorhynchus (Valenciennes, 1838) -- valid -- bluntsnout grenadier, roughtip grenadier
  Nezumia stelgidolepis (Gilbert, 1890) -- valid -- California grenadier
  Nicholsina denticulata (Evermann and Radcliff, 1917) -- valid -- loosetooth parrotfish, pococho beriquete
  Nicholsina usta (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- emerald parrotfish, loro esmeralda
  Nocomis asper Lachner and Jenkins, 1971 -- valid -- Redspot Chub
  Nocomis biguttatus (Kirtland, 1840) -- valid -- tête à taches rouges, Hornyhead Chub
  Nocomis effusus Lachner and Jenkins, 1967 -- valid -- Redtail Chub
  Nocomis leptocephalus (Girard, 1856) -- valid -- Bluehead Chub
  Nocomis micropogon (Cope, 1865) -- valid -- méné baton, River Chub
  Nocomis platyrhynchus Lachner and Jenkins, 1971 -- valid -- Bigmouth Chub
  Nocomis raneyi Lachner and Jenkins, 1971 -- valid -- Bull Chub
  Nomeidae -- valid -- driftfishes, man-of-war fishes, shepherdfishes, derivantes, physaliers
  Nomeus gronovii (Gmelin, 1789) -- valid -- pastorcillo, man-of-war fish, derivante fragata portuguesa
  Notacanthidae -- valid -- spiny eels, anguilas espinosas, poissons-tapirs à épines
  Notacanthus chemnitzii Bloch, 1788 -- valid -- spiny eel, snubnosed spiny eel
  Notemigonus crysoleucas (Mitchill, 1814) -- valid -- Golden Shiner, méné jaune
  Notopteridae -- valid -- knifefishes, cuchillos de pluma, featherfin knifefishes, poissons-couteaux à nageoire plumeuse, featherbacks
  Notorynchus cepedianus (Péron, 1807) -- valid -- bluntnose sevengill shark, sevengill shark, tiburón pinto, broadnose sevengill shark
  Notoscopelus resplendens (Richardson, 1845) -- valid -- patchwork lampfish, linternilla brillante
  Notropis aguirrepequenoi Contreras-Balderas and Rivera-Teillery, 1973 -- valid -- Soto la Marina Shiner, carpita del Pilón
  Notropis albizonatus Warren and Burr in Warren, Burr and Grady, 1994 -- valid -- Palezone Shiner
  Notropis alborus Hubbs and Raney, 1947 -- valid -- Whitemouth Shiner
  Notropis altipinnis (Cope, 1870) -- valid -- Highfin Shiner
  Notropis amabilis (Girard, 1856) -- valid -- Texas Shiner, carpita texana
  Notropis amecae Chernoff and Miller, 1986 -- valid -- Ameca Shiner, carpita del Ameca
  Notropis ammophilus Suttkus and Boschung, 1990 -- valid -- Orangefin Shiner
  Notropis amoenus (Abbott, 1874) -- valid -- Comely Shiner
  Notropis anogenus Forbes, 1885 -- valid -- méné camus, Pugnose Shiner
  Notropis ariommus (Cope, 1867) -- valid -- Popeye Shiner
  Notropis asperifrons Suttkus and Raney, 1955 -- valid -- Burrhead Shiner
  Notropis atherinoides Rafinesque, 1818 -- valid -- Emerald Shiner, méné émeraude
  Notropis atrocaudalis Evermann, 1892 -- valid -- Blackspot Shiner
  Notropis aulidion Chernoff and Miller, 1986 -- valid -- Durango Shiner, carpita de Durango
  Notropis baileyi Suttkus and Raney, 1955 -- valid -- Rough Shiner
  Notropis bairdi Hubbs and Ortenburger, 1929 -- valid -- Red River Shiner
  Notropis bifrenatus (Cope, 1867) -- valid -- Bridle Shiner, méné d'herbe
  Notropis blennius (Girard, 1856) -- valid -- méné de rivière, River Shiner
  Notropis boops Gilbert, 1884 -- valid -- Bigeye Shiner
  Notropis boucardi (Günther, 1868) -- valid -- Balsas Shiner, carpita del Balsas
  Notropis braytoni Jordan and Evermann, 1896 -- valid -- Tamaulipas Shiner, carpita tamaulipeca
  Notropis buccatus (Cope, 1865) -- invalid -- silverjaw minnow
  Notropis buccula Cross, 1953 -- valid -- Smalleye Shiner
  Notropis buchanani Meek, 1896 -- valid -- méné fantôme, Ghost Shiner, carpita fantasma
  Notropis cahabae Mayden and Kuhajda, 1989 -- valid -- Cahaba Shiner
  Notropis calientis Jordan and Snyder, 1899 -- valid -- Yellow Shiner, carpita amarilla
  Notropis candidus Suttkus, 1980 -- valid -- Silverside Shiner
  Notropis chalybaeus (Cope, 1867) -- valid -- Ironcolor Shiner
  Notropis chihuahua Woolman, 1892 -- valid -- Chihuahua Shiner, carpita chihuahuense
  Notropis chiliticus (Cope, 1870) -- valid -- Redlip Shiner
  Notropis chlorocephalus (Cope, 1870) -- valid -- Greenhead Shiner
  Notropis chrosomus (Jordan, 1877) -- valid -- Rainbow Shiner
  Notropis cumingii (Günther, 1868) -- valid -- Atoyac Chub, carpita del Atoyac
  Notropis cummingsae Myers, 1925 -- valid -- Dusky Shiner
  Notropis dorsalis (Agassiz, 1854) -- valid -- méné à grande bouche, Bigmouth Shiner
  Notropis edwardraneyi Suttkus and Clemmer, 1968 -- valid -- Fluvial Shiner
  Notropis girardi Hubbs and Ortenburger, 1929 -- valid -- Arkansas River Shiner
  Notropis greenei Hubbs and Ortenburger, 1929 -- valid -- Wedgespot Shiner
  Notropis harperi Fowler, 1941 -- invalid -- Redeye Chub, redeye shiner
  Notropis heterodon (Cope, 1865) -- valid -- Blackchin Shiner, menton noir
  Notropis heterolepis Eigenmann and Eigenmann, 1893 -- valid -- Blacknose Shiner, museau noir
  Notropis hudsonius (Clinton, 1824) -- valid -- Spottail Shiner, queue à tache noire, queue à tâche noire
  Notropis hypsilepis Suttkus and Raney, 1955 -- valid -- Highscale Shiner
  Notropis jemezanus (Cope in Cope and Yarrow, 1875) -- valid -- Rio Grande Shiner, carpita del Bravo
  Notropis leuciodus (Cope, 1868) -- valid -- Tennessee Shiner
  Notropis longirostris (Hay, 1881) -- valid -- Longnose Shiner
  Notropis lutipinnis (Jordan and Brayton, 1878) -- valid -- Yellowfin Shiner
  Notropis maculatus (Hay, 1881) -- valid -- Taillight Shiner
  Notropis mekistocholas Snelson, 1971 -- valid -- Cape Fear Shiner
  Notropis melanostomus Bortone, 1989 -- valid -- Blackmouth Shiner
  Notropis micropteryx (Cope, 1868) -- valid -- southern rosyface shiner, Highland Shiner, redface shiner
  Notropis moralesi de Buen, 1956 -- valid -- Papaloapan Chub, carpita Tepelneme
  Notropis nazas Meek, 1904 -- valid -- Nazas Shiner, carpita del Nazas
  Notropis nubilus (Forbes in Jordan, 1878) -- valid -- Ozark Minnow, roseate shiner
  Notropis orca Woolman, 1894 -- valid -- Phantom Shiner, carpita de El Paso
  Notropis ortenburgeri Hubbs in Ortenburger and Hubbs, 1927 -- valid -- Kiamichi Shiner
  Notropis oxyrhynchus Hubbs and Bonham, 1951 -- valid -- Sharpnose Shiner
  Notropis ozarcanus Meek, 1891 -- valid -- Ozark Shiner
  Notropis percobromus (Cope, 1871) -- valid -- Carmine Shiner, tête carminée
  Notropis perpallidus Hubbs and Black, 1940 -- valid -- Peppered Shiner
  Notropis petersoni Fowler, 1942 -- valid -- Coastal Shiner
  Notropis photogenis (Cope, 1865) -- valid -- méné-miroir, Silver Shiner
  Notropis potteri Hubbs and Bonham, 1951 -- valid -- Chub Shiner
  Notropis procne (Cope, 1865) -- valid -- Swallowtail Shiner
  Notropis rafinesquei Suttkus, 1991 -- valid -- Yazoo Shiner
  Notropis rubellus (Agassiz, 1850) -- valid -- Rosyface Shiner, tête rose
  Notropis rubescens Bailey in Robins, Bailey, Bond, Brooker, Lachner, Lea and Scott, 1991 -- invalid -- rosyface chub
  Notropis rubricroceus (Cope, 1868) -- valid -- Saffron Shiner
  Notropis rupestris Page in Page and Beckham, 1987 -- valid -- Bedrock Shiner
  Notropis sabinae Jordan and Gilbert, 1886 -- valid -- Sabine Shiner
  Notropis saladonis Hubbs and Hubbs, 1958 -- valid -- Salado Shiner, carpita del Salado
  Notropis scabriceps (Cope, 1868) -- valid -- New River Shiner
  Notropis scepticus (Jordan and Gilbert, 1883) -- valid -- Sandbar Shiner
  Notropis semperasper Gilbert, 1961 -- valid -- Roughhead Shiner
  Notropis shumardi (Girard, 1856) -- valid -- Silverband Shiner
  Notropis simus (Cope in Cope and Yarrow, 1875) -- valid -- Bluntnose Shiner, carpita chata
  Notropis spectrunculus (Cope, 1868) -- valid -- Mirror Shiner
  Notropis stilbius Jordan, 1877 -- valid -- Silverstripe Shiner
  Notropis stramineus (Cope, 1865) -- valid -- Sand Shiner, carpita arenera, méné paille
  Notropis suttkusi Humphries and Cashner, 1994 -- valid -- Rocky Shiner
  Notropis telescopus (Cope, 1868) -- valid -- Telescope Shiner
  Notropis texanus (Girard, 1856) -- valid -- méné diamant, Weed Shiner
  Notropis topeka (Gilbert, 1884) -- valid -- Topeka Shiner
  Notropis tropicus Hubbs and Miller, 1975 -- valid -- Pygmy Shiner, carpita tropical
  Notropis uranoscopus Suttkus, 1959 -- valid -- Skygazer Shiner
  Notropis volucellus (Cope, 1865) -- valid -- Mimic Shiner, méné pâle
  Notropis wickliffi Trautman, 1931 -- valid -- Channel Shiner
  Notropis xaenocephalus (Jordan, 1877) -- valid -- Coosa Shiner
  Noturus albater Taylor, 1969 -- valid -- Ozark Madtom
  Noturus baileyi Taylor, 1969 -- valid -- Smoky Madtom
  Noturus elegans Taylor, 1969 -- valid -- Elegant Madtom
  Noturus eleutherus Jordan, 1877 -- valid -- Mountain Madtom
  Noturus exilis Nelson, 1876 -- valid -- Slender Madtom
  Noturus flavater Taylor, 1969 -- valid -- Checkered Madtom
  Noturus flavipinnis Taylor, 1969 -- valid -- Yellowfin Madtom
  Noturus flavus Rafinesque, 1818 -- valid -- Stonecat, barbotte des rapides
  Noturus funebris Gilbert and Swain in Gilbert, 1891 -- valid -- Black Madtom
  Noturus furiosus Jordan and Meek in Jordan, 1889 -- valid -- Carolina Madtom
  Noturus gilberti Jordan and Evermann in Jordan, 1889 -- valid -- Orangefin Madtom
  Noturus gyrinus (Mitchill, 1817) -- valid -- Tadpole Madtom, chat-fou brun
  Noturus hildebrandi (Bailey and Taylor, 1950) -- valid -- Least Madtom
  Noturus insignis (Richardson, 1836) -- valid -- Margined Madtom, chat-fou liséré
  Noturus lachneri Taylor, 1969 -- valid -- Ouachita Madtom
  Noturus leptacanthus Jordan, 1877 -- valid -- Speckled Madtom
  Noturus miurus Jordan, 1877 -- valid -- Brindled Madtom, chat-fou tâcheté
  Noturus munitus Suttkus and Taylor, 1965 -- valid -- Frecklebelly Madtom
  Noturus nocturnus Jordan and Gilbert, 1886 -- valid -- Freckled Madtom
  Noturus phaeus Taylor, 1969 -- valid -- Brown Madtom
  Noturus placidus Taylor, 1969 -- valid -- Neosho Madtom
  Noturus stanauli Etnier and Jenkins, 1980 -- valid -- Pygmy Madtom
  Noturus stigmosus Taylor, 1969 -- valid -- chat-fou du nord, Northern Madtom
  Noturus taylori Douglas, 1972 -- valid -- Caddo Madtom
  Noturus trautmani Taylor, 1969 -- valid -- Scioto Madtom
  Novaculichthys taeniourus (Lacépède, 1801) -- valid -- clown wrasse, rockmover, cuchillo dragón, rockmover wrasse
  Novumbra hubbsi Schultz, 1929 -- valid -- Olympic mudminnow
  Occella dodecaedron (Tilesius, 1813) -- valid -- Bering poacher
  Ocyurus chrysurus (Bloch, 1791) -- valid -- rubia, Yellowtail Snapper, Sarde queue jaune, Rabirrubia
  Odontaspididae Müller and Henle, 1839 -- valid -- requins-taureaux, sand tigers, tiburones toro, goblin sharks, sand sharks, sand tiger sharks
  Odontaspis ferox (Risso, 1810) -- valid -- tiburón dientes de perro, ragged-tooth shark, smalltooth sand tiger, bumpytail raggedtooth
  Odontaspis noronhai (Maul, 1955) -- valid -- bigeye sand tiger, bigeye sand shark
  Odontognathus panamensis (Steindachner, 1876) -- valid -- sardina machete panameña, Panama longfin herring
  Odontopyxis trispinosa Lockington, 1880 -- valid -- pygmy poacher, bandido enano
  Odontoscion dentex (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- reef croaker, corvina dentuda
  Ogcocephalidae Jordan, 1895 -- valid -- batfishes, chauves-souris de mer, murciélagos
  Ogcocephalus corniger Bradbury, 1980 -- valid -- longnose batfish, pez diablo narizón
  Ogcocephalus cubifrons (Richardson, 1836) -- valid -- polka-dot batfish, murciélago diablo
  Ogcocephalus declivirostris Bradbury, 1980 -- valid -- slantbrow batfish, murciélago inclinado
  Ogcocephalus nasutus (Cuvier, 1829) -- valid -- shortnose batfish, pez diablo ñato, murciélago tapacaminos
  Ogcocephalus pantostictus Bradbury, 1980 -- valid -- spotted batfish, murciélago manchado
  Ogcocephalus parvus Longley and Hildebrand, 1940 -- valid -- roughback batfish, murciélago lomo áspero
  Ogcocephalus rostellum Bradbury, 1980 -- valid -- palefin batfish
  Ogilbia cayorum Evermann and Kendall, 1898 -- valid -- key brotula, brótula rojiza
  Ogilbia pearsei (Hubbs, 1938) -- invalid -- Mexican blind brotula, dama blanca ciega
  Ogilbia ventralis (Gill, 1863) -- valid -- Gulf brotula, brótula del Golfo
  Oligocottus maculosus Girard, 1856 -- valid -- tidepool sculpin
  Oligocottus rimensis (Greeley, 1899) -- valid -- saddleback sculpin, charrasco ensillado
  Oligocottus rubellio (Greeley, 1899) -- valid -- rosy sculpin, charrasco rosado
  Oligocottus snyderi Greeley in Jordan and Evermann, 1898 -- valid -- fluffy sculpin, charrasco peludo
  Oligoplites altus (Günther, 1868) -- valid -- leatherjacket, longjaw leatherjack, piña bocona
  Oligoplites refulgens Gilbert and Starks, 1904 -- valid -- piña flaca, shortjaw leatherjack
  Oligoplites saurus (Bloch and Schneider, 1801) -- valid -- leatherjack, leatherjacket, zapatero, piña sietecueros
  Oncorhynchus chrysogaster (Needham and Gard, 1964) -- valid -- trucha dorada mexicana, Mexican golden trout
  Oncorhynchus clarki (Richardson, 1836) -- invalid
  Oncorhynchus clarkii (Richardson, 1836) -- valid -- cutthroat trout, trucha degollada, truite fardée
  Oncorhynchus gilae (Miller, 1950) -- valid -- Gila trout
  Oncorhynchus gorbuscha (Walbaum, 1792) -- valid -- pink salmon, humpback, humpbacked salmon, saumon rose
  Oncorhynchus keta (Walbaum in Artedi, 1792) -- valid -- chum salmon
  Oncorhynchus kisutch (Walbaum, 1792) -- valid -- coho salmon, salmón plateado, saumon coho, silver salmon
  Oncorhynchus mykiss (Walbaum, 1792) -- valid -- rainbow trout, trucha arcoiris, steelhead, truite arc-en-ciel, redband trout
  Oncorhynchus nerka (Walbaum in Artedi, 1792) -- valid -- blueback salmon, kokanee, red salmon, sockeye salmon, saumon rouge
  Oncorhynchus tshawytscha (Walbaum in Artedi, 1792) -- valid -- Chinook salmon, salmón boquinegra, king salmon, saumon chinook
  Ophichthidae -- valid -- worm eels, snake eels, serpents de mer, tiesos
  Ophichthus apachus McCosker and Rosenblatt, 1998 -- valid -- thin snake eel, tieso delgado
  Ophichthus cruentifer (Goode and Bean, 1896) -- valid -- margined snake eel
  Ophichthus frontalis Garman, 1899 -- valid -- deathbanded snake eel, tieso funebre
  Ophichthus gomesii (Castelnau, 1855) -- valid -- safío prieto, shrimp eel, tieso camaronero
  Ophichthus hyposagmatus McCosker and Böhlke, 1984 -- valid -- faintsaddled snake eel
  Ophichthus longipenis McCosker and Rosenblatt, 1998 -- valid -- slender snake eel, tieso fino
  Ophichthus mecopterus McCosker and Rosenblatt, 1998 -- valid -- longarmed snake eel, tieso brazo largo
  Ophichthus melanoporus Kanazawa, 1963 -- valid -- blackpored eel
  Ophichthus omorgmus McCosker and Böhlke, 1984 -- valid -- dottedline snake eel
  Ophichthus ophis (Linnaeus, 1758) -- valid -- spotted snake eel, safío de manchas negras
  Ophichthus puncticeps (Kaup, 1860) -- valid -- palespotted eel
  Ophichthus rex Böhlke and Caruso, 1980 -- valid -- king snake eel, lairón
  Ophichthus triserialis (Kaup, 1856) -- valid -- Pacific snake eel, tieso del Pacífico
  Ophichthus zophochir Jordan and Gilbert, 1882 -- valid -- yellow snake eel, tieso amarillo
  Ophidiidae -- valid -- brotulas, cusk eels, brótulas y congriperlas, congriperlas, donzelles, brótulas, cusk-eels
  Ophidiiformes -- valid -- ophidiiforms
  Ophidion antipholus Lea and Robins, 2003 -- valid -- longnose cusk-eel, congriperla narizón
  Ophidion dromio Lea and Robins, 2003 -- valid -- shorthead cusk-eel
  Ophidion galeoides (Gilbert, 1890) -- valid -- spotfin cusk-eel, congriperla adornada
  Ophidion grayi (Fowler, 1948) -- valid -- blotched cusk-eel
  Ophidion holbrookii Putnam, 1874 -- valid -- bank cusk-eel, congriperla de bajos
  Ophidion imitator Lea, 1997 -- valid -- mimic cusk-eel, congriperla mimética
  Ophidion iris Breder, 1936 -- valid -- brighteye cusk-eel, congriperla arcoiris
  Ophidion josephi Girard, 1858 -- valid -- crested cusk-eel, congriperla crestada
  Ophidion lagochila (Böhlke and Robins, 1959) -- valid -- hairlip cusk, harelip cusk-eel, congriperla labio leporino
  Ophidion marginatum DeKay, 1842 -- valid -- striped cusk-eel
  Ophidion nocomis Robins and Böhlke, 1959 -- valid -- congriperla nacarada, letter opener
  Ophidion robinsi Fahay, 1992 -- valid -- colonial cusk-eel
  Ophidion scrippsae (Hubbs, 1916) -- valid -- basketweave cusk-eel, congriperla canastera
  Ophidion selenops Robins and Böhlke, 1959 -- valid -- mooneye cusk-eel
  Ophioblennius macclurei (Silvester, 1915) -- valid -- redlip blenny, blenio bembirrojo, borracho labio rojo
  Ophioblennius steindachneri Jordan and Evermann, 1898 -- valid -- borracho mono, Panamic fanged blenny
  Ophiodon elongatus Girard, 1854 -- valid -- lingcod, molva
  Ophioscion scierus (Jordan and Gilbert, 1884) -- valid -- corvineta parda, dusky croaker
  Ophioscion strabo Gilbert, 1897 -- valid -- corvineta bizca, squint-eyed croaker
  Ophioscion typicus Gill, 1863 -- valid -- corvineta corredora, racer croaker
  Ophioscion vermicularis (Günther, 1867) -- valid -- corvineta cococha, wormlined croaker
  Ophisternon aenigmaticum Rosen and Greenwood, 1976 -- valid -- swamp eel, anguila falsa, obscure swamp eel
  Ophisternon infernale (Hubbs, 1938) -- valid -- blind swamp eel, anguila ciega yucateca
  Opisthonema bulleri (Regan, 1904) -- valid -- sardina crinuda azul, slender thread herring
  Opisthonema libertate (Günther, 1867) -- valid -- deepbody thread herring, sardina crinuda, Pacific thread herring
  Opisthonema medirastre Berry and Barrett, 1963 -- valid -- middling thread herring, sardina crinuda machete
  Opisthonema oglinum (Lesueur, 1818) -- valid -- machuelo, sardina vivita de hebra, Atlantic thread herring
  Opisthoproctidae -- valid -- barreleyes, spookfishes, peces duende, revenants
  Opisthopterus dovii (Günther, 1868) -- valid -- sardina machete chata, Pacific longfin herring, Dove's longfin herring
  Opistognathidae -- valid -- jawfishes, smilers, bocones, tout-en-gueule
  Opistognathus aurifrons (Jordan and Thompson, 1905) -- valid -- yellowhead jawfish, guardian cabeziamarillo, bocón cabeza amarilla
  Opistognathus lonchurus Jordan and Gilbert, 1882 -- valid -- moustache jawfish, guardian verdoso, bocón bigote
  Opistognathus macrognathus Poey, 1860 -- valid -- banded jawfish, longjaw jawfish, spotfin jawfish, guardian bocón
  Opistognathus maxillosus Poey, 1860 -- valid -- mottled jawfish, guardian jaspeado, bocón moteado
  Opistognathus megalepis Smith-Vaniz, 1972 -- valid -- bocón escamón, largescale jawfish
  Opistognathus melachasme Smith-Vaniz, 1972 -- valid -- yellowmouth jawfish, megabocón, megamouth jawfish
  Opistognathus mexicanus Allen and Robertson, 1991 -- valid -- bocón mexicano, Mexican jawfish
  Opistognathus nothus Smith-Vaniz, 1997 -- valid -- yellowmouth jawfish
  Opistognathus punctatus Peters, 1869 -- valid -- bocón punteado, finespotted jawfish
  Opistognathus rhomaleus Jordan and Gilbert, 1882 -- valid -- bocón gigante, giant jawfish
  Opistognathus robinsi Smith-Vaniz, 1997 -- valid -- spotfin jawfish
  Opistognathus rosenblatti Allen and Robertson, 1991 -- valid -- bluespotted jawfish, bocón manchas azules
  Opistognathus scops (Jenkins and Evermann, 1889) -- valid -- bocón ocelado, bullseye jawfish
  Opistognathus whitehursti (Longley, 1927) -- valid -- dusky jawfish, guardian escamudo, bocón prieto
  Opsanus beta (Goode and Bean, 1880) -- valid -- sapo de boca blanca, Gulf toadfish, sapo boquiblanca
  Opsanus dichrostomus Collette, 2001 -- valid -- bicolor toadfish, sapo bicolor
  Opsanus pardus (Goode and Bean, 1880) -- valid -- leopard toadfish, sapo leopardo
  Opsanus tau (Linnaeus, 1766) -- valid -- oyster toadfish
  Opsopoeodus emiliae Hay, 1881 -- valid -- petit-bec, Pugnose Minnow
  Oregonichthys crameri (Snyder, 1908) -- valid -- Oregon Chub
  Oregonichthys kalawatseti Markle, Pearsons and Bills, 1991 -- valid -- Umpqua Chub, Umpqua Oregon chub
  Oreochromis aureus (Steindachner, 1864) -- valid -- tilapia azul, blue tilapia
  Oreochromis mossambicus (Peters, 1852) -- valid -- Mozambique mouth-breeder, Mozambique mouthbrooder, Mozambique tilapia, tilapia mosambica
  Oreochromis niloticus (Linnaeus, 1758) -- valid -- Nile mouthbreeder, tilapia del Nilo, Nile tilapia
  Oreochromis urolepis (Norman, 1922) -- valid -- Wami tilapia
  Orthodon microlepidotus (Ayres, 1854) -- valid -- Sacramento Blackfish
  Orthonopias triacis Starks and Mann, 1911 -- valid -- snubnose sculpin, charrasco chato
  Orthopristis cantharinus (Jenyns, 1840) -- valid -- sheephead grunt, teniente
  Orthopristis chalceus (Günther, 1864) -- valid -- burrito corcovado, humpback grunt
  Orthopristis chrysoptera (Linnaeus, 1766) -- valid -- pigfish, burro, corocoro armado
  Orthopristis reddingi Jordan and Richardson in Jordan, 1895 -- valid -- bronzestriped grunt, burrito rayado
  Osmeridae -- valid -- smelts, capellanes, éperlans
  Osmerus mordax (Mitchill, 1814) -- valid -- rainbow smelt, éperlan arc-en-ciel
  Ostichthys trachypoma (Günther, 1859) -- valid -- bigeye soldierfish, candil de lo alto
  Ostraciidae -- valid -- cowfishes, trunkfishes, boxfishes, cofferfishes, coffres, peces cofre
  Ostracion meleagris Shaw in Shaw & Nodder, 1796 -- valid -- pahu, cofre moteado, spotted boxfish, Spotted Boxfish
  Otophidium chickcharney Böhlke and Robins, 1959 -- valid -- ghost cusk-eel, congriperla fantasma
  Otophidium dormitator Böhlke and Robins, 1959 -- valid -- sleeper cusk-eel
  Otophidium indefatigabile Jordan and Bollman, 1890 -- valid -- Panamic cusk-eel, congriperla cabezona
  Otophidium omostigma (Jordan and Gilbert, 1882) -- valid -- polka-dot cusk-eel, congriperla lunareja
  Oxycirrhites typus Bleeker, 1857 -- valid -- halcón narigón, longnose hawkfish
  Oxyjulis californica (Günther, 1861) -- valid -- senorita, señorita, señorita californiana, señorita
  Oxylebius pictus Gill, 1862 -- valid -- painted greenling, molva pinta
  Oxyporhamphus micropterus (Valenciennes in Cuvier and Valenciennes, 1847) -- valid -- smallwing flyingfish, volador alita
  Oxyurichthys stigmalophius (Mead and Böhlke, 1958) -- valid -- gobio manchado, spotfin goby, gobio aleta manchada
  Pagrus pagrus (Linnaeus, 1758) -- valid -- red porgy, sargo rojo
  Palatogobius paradoxus Gilbert, 1971 -- valid -- mauve goby
  Pallasina barbata (Steindachner, 1876) -- valid -- tubenose poacher
  Parabathymyrus oregoni Smith and Kanazawa, 1977 -- valid -- flapnose conger, congrio nariz colgada
  Parablennius marmoreus (Poey, 1876) -- valid -- seaweed blenny, blenio marmoreo, borracho marmóreo
  Paraclinus altivelis (Lockington, 1881) -- valid -- topgallant blenny, trambollito juanete
  Paraclinus beebei Hubbs, 1952 -- valid -- pink blenny, trambollito clavel
  Paraclinus cingulatus (Evermann and Marsh, 1899) -- valid -- coral blenny, sapito coral, trambollito coralino
  Paraclinus ditrichus Rosenblatt and Parr, 1969 -- valid -- leastfoot blenny, trambollito pocas patas
  Paraclinus fasciatus (Steindachner, 1876) -- valid -- banded blenny, sapito ocelado, trambollito ocelado
  Paraclinus grandicomis (Rosén, 1911) -- valid -- horned blenny, sapito tarrudo
  Paraclinus infrons Böhlke, 1960 -- valid -- bald blenny, trambollito pelón
  Paraclinus integripinnis (Smith, 1880) -- valid -- reef finspot, trambollito de arrecife
  Paraclinus magdalenae Rosenblatt and Parr, 1969 -- valid -- Magdalena blenny, trambollito de Magdalena
  Paraclinus marmoratus (Steindachner, 1876) -- valid -- marbled blenny, sapito punteado
  Paraclinus mexicanus (Gilbert, 1904) -- valid -- Mexican blenny, trambollito mexicano
  Paraclinus naeorhegmis Böhlke, 1960 -- valid -- surf blenny, surf blenny, trambollito de la resaca
  Paraclinus nigripinnis (Steindachner, 1867) -- valid -- blackfin blenny, sapito aletinegro, trambollito aletinegra
  Paraclinus sini Hubbs, 1952 -- valid -- flapscale blenny, trambollito frondoso
  Paraclinus stephensi Rosenblatt and Parr, 1969 -- valid -- professor blenny, trambollito del maestro
  Paraclinus tanygnathus Rosenblatt and Parr, 1969 -- valid -- longjaw blenny, trambollito adornado
  Paraclinus walkeri Hubbs, 1952 -- valid -- San Quintin blenny, trambollito de San Quintín
  Paraconger californiensis Kanazawa, 1961 -- valid -- ringeye conger, congrio anteojos
  Paraconger caudilimbatus (Poey, 1867) -- valid -- margintail conger, congrio, congrio cola de bordes
  Paraconger similis (Wade, 1946) -- valid -- shorttail conger, congrio colicorta
  Paradiplogrammus bairdi (Jordan in Eigenmann and Eigenmann, 1888) -- valid -- dragoncillo coralino, lancer dragonet
  Parahollardia lineata (Longley, 1935) -- valid -- jambeau, cochi rombo, Jambeau
  Paralabrax auroguttatus Walford, 1936 -- valid -- cabrilla extranjera, goldspotted sand bass
  Paralabrax clathratus (Girard, 1854) -- valid -- kelp bass, cabrilla sargacera
  Paralabrax loro Walford, 1936 -- valid -- cabrilla cachete amarillo, parrot sand bass
  Paralabrax maculatofasciatus (Steindachner, 1868) -- valid -- spotted sand bass, cabrilla de roca
  Paralabrax nebulifer (Girard, 1854) -- valid -- barred sand bass, cabrilla verde de arena
  Paralepididae -- valid -- barracudinas, barracudinas, lussions
  Paraletharchus opercularis (Myers and Wade, 1941) -- valid -- pouch snake eel, tieso bolsa
  Paraletharchus pacificus (Osburn and Nichols, 1916) -- valid -- Pacific sailfin eel, tieso vela del Pacífico
  Paralichthyidae -- valid -- flétans de sable, lenguados areneros, sand flounders, lefteye flounders
  Paralichthys aestuarius Gilbert & Scofield, 1898 -- valid -- Cortez halibut, lenguado de Cortés, Cortez Halibut
  Paralichthys albigutta Jordan & Gilbert, 1882 -- valid -- Gulf flounder, lenguado panzablanca, Gulf Flounder
  Paralichthys californicus (Ayres, 1859) -- valid -- California halibut, lenguado californiano, California Halibut
  Paralichthys dentatus (Linnaeus, 1766) -- valid -- summer flounder, fluke, cardeau d'été, Summer Flounder
  Paralichthys lethostigma Jordan & Gilbert in Jordan & Meek, 1884 -- valid -- southern flounder, lenguado limpio, Southern Flounder
  Paralichthys oblongus (Mitchill, 1815) -- valid -- fourspot flounder, cardeau à quatre ocelles, Fourspot Flounder
  Paralichthys squamilentus Jordan & Gilbert, 1882 -- valid -- broad flounder, lenguado huarachón, Broad Flounder
  Paralichthys woolmani Jordan & Williams in Gilbert, 1897 -- valid -- dappled flounder, lenguado huarache, Dappled Flounder
  Paraliparis calidus Cohen, 1968 -- valid -- lowfin snailfish, limace ardente
  Paraliparis deani Burke, 1912 -- valid -- prickly snailfish
  Paralonchurus goodei Gilbert in Jordan and Evermann, 1898 -- valid -- corvalo, corvalo, angel croaker, corvineta ángel
  Paranthias colonus (Valenciennes, 1846) -- valid -- Pacific creolefish, sandía, Pacific creole-fish
  Paranthias furcifer (Valenciennes in Cuvier and Valenciennes, 1828) -- valid -- Creole-fish, rabirrubia de lo alto, Atlantic creolefish, rabirrubia del Golfo
  Parapsettus panamensis (Steindachner, 1875) -- valid -- Panama spadefish, Panama Spadefish, zapatero
  Parasudis truculenta (Goode and Bean, 1896) -- valid -- longnose greeneye, ojiverde espátula, ojiverde truculento
  Pareques acuminatus (Bloch and Schneider, 1801) -- valid -- high-hat, vaqueta rayada, payasito largo
  Pareques fuscovittatus (Kendall and Radcliffe, 1912) -- valid -- festive drum, payasito lindo
  Pareques iwamotoi Miller and Woods, 1988 -- valid -- blackbar drum, payasito rayado
  Pareques umbrosus (Jordan and Eigenmann, 1889) -- valid -- cubbyu, payasito prieto
  Pareques viola (Gilbert in Jordan and Evermann, 1898) -- valid -- rock croaker, payasito gungo
  Parexocoetus brachypterus (Richardson, 1846) -- valid -- volador aletón, sailfin flyingfish, volador velero
  Paricelinus hopliticus Eigenmann and Eigenmann, 1889 -- valid -- thornback sculpin
  Parmaturus xaniurus (Gilbert, 1892) -- valid -- pejegato lima, filetail cat shark
  Parophidion lagochila Böhlke and Robins, 1959 -- invalid -- hairlip cusk, harelip cusk-eel, congriperla labio leporino
  Parophidion schmidti (Woods and Kanazawa, 1951) -- valid -- dusky cusk-eel, congriperla parda
  Parophrys vetulus Girard, 1854 -- valid -- platija limón, English sole, English Sole, carlottin anglais
  Parrella ginsburgi Wade, 1946 -- valid -- darkblotch goby, gobio lunarejo
  Parrella lucretiae (Eigenmann and Eigenmann, 1888) -- valid -- gobio maculado, maculated goby
  Parrella maxillaris Ginsburg, 1938 -- valid -- doublestripe goby, gobio veteado
  Pempheridae -- valid -- sweepers, barrenderos, poissons-balayeurs
  Pempheris schomburgkii Müller and Troschel in Schomburgk, 1848 -- valid -- glassy sweeper, pemferis bandeado, barrendero transparente
  Penetopteryx nanus (Rosén, 1911) -- valid -- finless pipefish, finless pipefish, lost pipefish, pez pipa gusano, worm pipefish
  Pentacerotidae -- valid -- boarfishes, armorheads, espartanos, têtes casquées
  Peprilus burti Fowler, 1944 -- valid -- Gulf butterfish, palometa del Golfo
  Peprilus medius (Peters, 1869) -- valid -- palometa, Pacific harvestfish, palometa
  Peprilus ovatus Horn, 1970 -- valid -- Cortez butterfish, palometa de Cortés
  Peprilus paru (Linnaeus, 1758) -- valid -- harvestfish, northern harvestfish, palometa moneda, northern harvestfish, palometa pámpano
  Peprilus simillimus (Ayres, 1860) -- valid -- Pacific pompano, palometa plateada
  Peprilus snyderi Gilbert and Starks, 1904 -- valid -- palometa salema, salema butterfish
  Peprilus triacanthus (Peck, 1804) -- valid -- palometa estrecha, butterfish, stromatée à fossettes
  Perca flavescens (Mitchill, 1814) -- valid -- yellow perch, perchaude
  Percidae -- valid -- true perches, perches, percas, perches et dards, perches
  Percina antesella Williams and Etnier, 1977 -- valid -- amber darter
  Percina aurantiaca (Cope, 1868) -- valid -- tangerine darter
  Percina aurolineata Suttkus and Ramsey, 1967 -- valid -- goldline darter
  Percina aurora Suttkus and Thompson in Suttkus, Thompson and Bart, 1994 -- valid -- Pearl Darter
  Percina austroperca Thompson, 1995 -- valid -- Southern Logperch
  Percina brevicauda Suttkus and Bart in Suttkus, Thompson and Bart, 1994 -- valid -- coal darter
  Percina burtoni Fowler, 1945 -- valid -- blotchside logperch
  Percina caprodes (Rafinesque, 1818) -- valid -- logperch, fouille-roche zébré
  Percina carbonaria (Baird and Girard, 1853) -- valid -- Texas logperch
  Percina copelandi (Jordan, 1877) -- valid -- channel darter, fouille-roche gris
  Percina crassa (Jordan and Brayton, 1878) -- valid -- Piedmont darter
  Percina cymatotaenia (Gilbert and Meek in Gilbert, 1887) -- valid -- bluestripe darter
  Percina evides (Jordan and Copeland in Jordan, 1877) -- valid -- gilt darter
  Percina gymnocephala Beckham, 1980 -- valid -- Appalachia darter
  Percina jenkinsi Thompson, 1985 -- valid -- Conasauga logperch
  Percina kathae Thompson, 1997 -- valid -- Mobile logperch
  Percina lenticula Richards and Knapp, 1964 -- valid -- freckled darter
  Percina macrocephala (Cope, 1867) -- valid -- longhead darter
  Percina macrolepida Stevenson, 1971 -- valid -- bigscale logperch, perca escamona
  Percina maculata (Girard, 1859) -- valid -- blackside darter
  Percina nasuta (Bailey, 1941) -- valid -- longnose darter
  Percina nigrofasciata (Agassiz, 1854) -- valid -- blackbanded darter
  Percina notogramma (Raney and Hubbs, 1948) -- valid -- stripeback darter
  Percina oxyrhynchus (Hubbs and Raney, 1939) -- valid -- sharpnose darter
  Percina palmaris (Bailey, 1940) -- valid -- bronze darter
  Percina pantherina (Moore and Reeves, 1955) -- valid -- leopard darter
  Percina peltata (Stauffer in Cope, 1864) -- valid -- shield darter
  Percina phoxocephala (Nelson, 1876) -- valid -- slenderhead darter
  Percina rex (Jordan and Evermann in Jordan, 1889) -- valid -- Roanoke logperch
  Percina roanoka (Jordan and Jenkins in Jordan, 1889) -- valid -- Roanoke darter
  Percina sciera (Swain, 1883) -- valid -- dusky darter
  Percina shumardi (Girard, 1859) -- valid -- river darter
  Percina squamata (Gilbert and Swain in Gilbert, 1887) -- valid -- olive darter
  Percina stictogaster Burr and Page, 1993 -- valid -- frecklebelly darter
  Percina suttkusi Thompson, 1997 -- valid -- Gulf logperch
  Percina tanasi Etnier, 1976 -- valid -- snail darter
  Percina uranidea (Jordan and Gilbert in Gilbert, 1887) -- valid -- stargazing darter
  Percina vigil (Hay, 1882) -- valid -- saddleback darter
  Percis japonica (Pallas, 1769) -- valid -- dragon poacher
  Percophidae -- valid -- duckbills, flatheads, flatnoses, picos de pato, platêtes
  Percopsidae Agassiz, 1850 -- valid -- trout perches, omiscos, percas falsas, trout-perches
  Percopsiformes -- valid -- percopsiforms, trout-perches
  Percopsis omiscomaycus (Walbaum, 1792) -- valid -- trout-perch, omisco
  Percopsis transmontana (Eigenmann and Eigenmann in Eigenmann, 1892) -- valid -- sand roller
  Perissias taeniopterus (Gilbert, 1890) -- valid -- flag flounder, lenguado bandera, Flag Flounder
  Peristediidae -- invalid -- armored searobins, malarmats, vaquitas blindadas
  Peristedion gracile Goode and Bean, 1896 -- valid -- slender searobin, espátula esbelta, vaquita blindada flaca
  Peristedion greyae Miller, 1967 -- valid -- prickly searobin, alligator searobin
  Peristedion miniatum Goode, 1880 -- valid -- armored searobin
  Peristedion paucibarbiger Castro-Aguirre and Garcia-Domínguez, 1984 -- valid -- Cortez searobin, vaquita blindada de Cortés
  Peristedion thompsoni Fowler, 1952 -- valid -- rimspine searobin
  Petenia splendida Günther, 1862 -- valid -- giant cichlid, tenguayaca
  Petromyzon marinus Linnaeus, 1758 -- valid -- sea lamprey, lamproie marine, lake lamprey
  Petromyzontidae -- valid -- lamproies, lampreas, lampreys
  Petrotyx hopkinsi Heller and Snodgrass, 1903 -- valid -- velvetnose brotula, brótula hocico terciopelado
  Petrotyx sanguineus (Meek and Hildebrand, 1928) -- valid -- redfin brotula, brótula aletiroja
  Phaenomonas pinnata Myers and Wade, 1941 -- valid -- elastic eel, tieso elástico
  Phaeoptyx conklini (Silvester, 1915) -- valid -- freckled cardinalfish, cardenal pecoso
  Phaeoptyx pigmentaria (Poey, 1860) -- valid -- dusky cardinalfish, cardenal pigmentado, cardenal prieto
  Phaeoptyx xenus (Böhlke and Randall, 1968) -- valid -- sponge cardinalfish, cardenal violáeo, cardenal esponjero
  Phallichthys fairweatheri Rosen and Bailey, 1959 -- valid -- picotee livebearer, topo
  Phallocottus obtusus Schultz, 1938 -- valid -- spineless sculpin
  Phanerodon atripes (Jordan and Gilbert, 1880) -- valid -- sharpnose seaperch, mojarra picuda
  Phanerodon furcatus Girard, 1854 -- valid -- white seaperch, mojarra lomo rayado
  Phenacobius catostomus Jordan, 1877 -- valid -- Riffle Minnow
  Phenacobius crassilabrum Minckley and Craddock, 1962 -- valid -- Fatlips Minnow
  Phenacobius mirabilis (Girard, 1856) -- valid -- Suckermouth Minnow
  Phenacobius teretulus Cope, 1867 -- valid -- Kanawha Minnow
  Phenacobius uranops Cope, 1867 -- valid -- Stargazing Minnow
  Pherallodiscus funebris (Gilbert, 1890) -- valid -- chupapiedra discofrágil norteña, northern fraildisc clingfish
  Pherallodiscus varius Briggs, 1955 -- valid -- chupapiedra discofrágil sureña, southern fraildisc clingfish
  Pholidae Gill, 1893 -- valid -- gunnels, espinosos de marea, sigouines
  Pholis clemensi Rosenblatt, 1964 -- valid -- longfin gunnel
  Pholis fasciata (Bloch and Schneider, 1801) -- valid -- banded gunnel
  Pholis gunnellus (Linnaeus, 1758) -- valid -- rock gunnel, sigouine de roche
  Pholis laeta (Cope, 1873) -- valid -- crescent gunnel
  Pholis ornata (Girard, 1854) -- valid -- saddleback gunnel
  Pholis schultzi Schultz, 1931 -- valid -- red gunnel
  Phosichthyidae -- valid -- lighthousefishes, lightfishes, peces luminosos, poissons étoilés
  Phoxinus cumberlandensis Starnes and Starnes, 1978 -- invalid -- blackside dace
  Phoxinus eos (Cope, 1861) -- invalid -- northern redbelly dace, ventre rouge du nord
  Phoxinus erythrogaster (Rafinesque, 1820) -- invalid -- southern redbelly dace
  Phoxinus neogaeus Cope, 1867 -- invalid -- finescale dace, ventre citron
  Phoxinus oreas (Cope, 1868) -- invalid -- mountain redbelly dace
  Phoxinus saylori Skelton, 2001 -- invalid -- laurel dace
  Phoxinus tennesseensis Starnes and Jenkins, 1988 -- invalid -- Tennessee dace
  Phthanophaneron harveyi (Rosenblatt and Montgomery, 1976) -- valid -- ojo de linterna panámica, Panamic flashlightfish
  Phtheirichthys lineatus (Menzies, 1791) -- valid -- slender suckerfish, pez pega lineado, rémora delgada
  Phycidae -- invalid -- phycid hakes, merluzas barbonas, phycidés
  Phycis chesteri Goode and Bean, 1878 -- valid -- longfin hake
  Physiculus fulvus Bean, 1884 -- valid -- hakeling, metallic codling, carbonero metálico
  Physiculus nematopus Gilbert, 1890 -- valid -- charcoal codling, carbonero de fango
  Physiculus rastrelliger Gilbert, 1890 -- valid -- hundred-fathom codling, carbonero negro
  Physiculus talarae Hildebrand and Barton, 1949 -- valid -- Peruvian codling, carbonero peruano
  Phytichthys chirus (Jordan and Gilbert, 1880) -- valid -- ribbon prickleback
  Pimelodidae -- valid -- flat-hosed catfishes, long-whiskered catfishes, poissons-chats à longues moustaches, juiles, longwhiskered catfishes
  Pimephales notatus (Rafinesque, 1820) -- valid -- Bluntnose Minnow, ventre-pourri
  Pimephales promelas Rafinesque, 1820 -- valid -- Fathead Minnow, carpita cabezona, tête-de-boule
  Pimephales tenellus (Girard, 1856) -- valid -- Slim Minnow
  Pimephales vigilax (Baird and Girard, 1853) -- valid -- Bullhead Minnow, carpita cabeza de toro
  Pisodonophis daspilotus Gilbert in Jordan and Evermann, 1898 -- valid -- blunt-toothed snake eel, tieso dientes romos
  Plagiogrammus hopkinsii Bean, 1894 -- valid -- crisscross prickleback
  Plagiotremus azaleus (Jordan and Bollman, 1890) -- valid -- sabretooth blenny, diente sable, sabertooth blenny
  Plagopterus argentissimus Cope, 1874 -- valid -- carpita afilada, Woundfin
  Platichthys stellatus (Pallas, 1787) -- valid -- starry flounder, Starry Flounder, flet étoilé
  Platybelone argalus (Lesueur, 1821) -- valid -- keeltail needlefish, agujón de quilla, agujón aquillado
  Platydoras armatulus (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- southern striped Raphael
  Platygillellus rubrocinctus (Longley, 1934) -- valid -- saddle stargazer, mirón barreado
  Platygobio gracilis (Richardson, 1836) -- valid -- méné à tête plate, Flathead Chub
  Platyrhinoidis triseriata (Jordan and Gilbert, 1880) -- valid -- guitarra espinuda, thornback
  Plectobranchus evides Gilbert, 1890 -- valid -- bluebarred prickleback
  Plectranthias garrupellus Robins and Starck, 1961 -- valid -- apricot bass
  Plectrypops retrospinis (Guichenot, 1853) -- valid -- cardinal soldierfish, goggle-eyed squirrelfish, candil cardenal
  Pleurogrammus monopterygius (Pallas, 1810) -- valid -- Atka mackerel
  Pleuronectes glacialis Pallas, 1776 -- invalid -- Arctic flounder, Arctic Flounder, plie arctique
  Pleuronectes putnami (Gill, 1864) -- invalid -- smooth flounder, eelback, smoothback flounder, plie lisse, Smooth Flounder
  Pleuronectes quadrituberculatus Pallas, 1814 -- valid -- Alaska plaice, Alaska Plaice
  Pleuronectidae -- valid -- halibuts, dabs, righteyed flounders, platijas, plies, righteye flounders
  Pleuronichthys coenosus Girard, 1854 -- valid -- C-O sole, platija de fango, C-O Sole, plie vaseuse
  Pleuronichthys decurrens Jordan & Gilbert, 1881 -- valid -- curlfin sole, platija aleta de rizo, Curlfin Sole, plie à nageoires frisées
  Pleuronichthys guttulatus Girard, 1856 -- invalid -- platija diamante, diamond turbot, Diamond Turbot
  Pleuronichthys ocellatus Starks & Thompson, 1910 -- valid -- ocellated turbot, platija ocelada, Ocellated Turbot
  Pleuronichthys ritteri Starks & Morris, 1907 -- valid -- spotted turbot, platija moteada, Spotted Turbot
  Pleuronichthys verticalis Jordan & Gilbert, 1880 -- valid -- hornyhead turbot, platija cornuda, Hornyhead Turbot
  Pliosteostoma lutipinnis (Jordan and Gilbert, 1882) -- valid -- arenquilla aleta amarilla, yellowfin herring
  Poblana alchichica de Buen, 1945 -- valid -- Alchichica silverside, charal de Alchichica
  Poblana ferdebueni Solórzano and López, 1965 -- valid -- charal de Almoloya, Chignahuapan silverside
  Poblana letholepis Alvarez, 1950 -- valid -- charal de La Preciosa, La Preciosa silverside
  Poblana squamata Alvarez, 1950 -- valid -- charal de Quechulac, Quechulac silverside
  Podothecus accipenserinus (Tilesius, 1813) -- valid -- sturgeon poacher
  Podothecus veternus Jordan and Starks, 1895 -- valid -- veteran poacher
  Poecilia butleri Jordan, 1889 -- valid -- Pacific molly, topote del Pacífico
  Poecilia catemaconis Miller, 1975 -- valid -- bicolor molly, topote de Catemaco
  Poecilia chica Miller, 1975 -- valid -- dwarf molly, topote del Purificación
  Poecilia formosa (Girard, 1859) -- valid -- topote amazona, Amazon molly
  Poecilia latipinna (Lesueur, 1821) -- valid -- sailfin molly, topote velo negro
  Poecilia latipunctata Meek, 1904 -- valid -- Tamesi molly, topote del Tamesí
  Poecilia maylandi Meyer, 1983 -- valid -- Balsas molly, topote del Balsas
  Poecilia mexicana Steindachner, 1863 -- valid -- shortfin molly, topote del Atlántico
  Poecilia orri Fowler, 1943 -- valid -- mangrove molly, topote de manglar
  Poecilia petenensis Günther, 1866 -- valid -- Peten molly, topote lacandón
  Poecilia reticulata Peters, 1859 -- valid -- gupi, guppy, millions fish, rainbowfish
  Poecilia sphenops Valenciennes in Cuvier and Valenciennes, 1846 -- valid -- black molly, liberty mollly, mollie, molly, pointed-mouth molly, Mexican molly, topote mexicano, liberty molly
  Poecilia sulphuraria (Alvarez, 1948) -- valid -- sulphur molly, topote de Teapa
  Poecilia velifera (Regan, 1914) -- valid -- giant sailfin, mexican sailfin molly, Yucatan molly, topote aleta grande, giant sailfin, Mexican sailfin molly
  Poeciliidae Garman, 1895 -- valid -- livebearers, topminnows, poecilies, topotes y espadas, poeciliids, livebearing toothcarps
  Poeciliopsis baenschi Meyer, Radda, Riehl and Feichtinger, 1986 -- valid -- golden livebearer, guatopote dorado
  Poeciliopsis balsas Hubbs, 1926 -- valid -- Balsas livebearer, guatopote del Balsas
  Poeciliopsis catemaco Miller, 1975 -- valid -- Catemaco livebearer, guatopote blanco
  Poeciliopsis gracilis (Heckel, 1848) -- valid -- porthole livebearer, guatopote jarocho
  Poeciliopsis hnilickai Meyer and Vogel, 1981 -- valid -- guatopote de Ixtapa, upper Grijalva livebearer
  Poeciliopsis infans (Woolman, 1894) -- valid -- guatopote del Lerma, Lerma livebearer
  Poeciliopsis latidens (Garman, 1895) -- valid -- guatopote del Fuerte, lowland livebearer
  Poeciliopsis lucida Miller, 1960 -- valid -- clearfin livebearer, guatopote del Mocorito
  Poeciliopsis monacha Miller, 1960 -- valid -- guatopote del Mayo, headwater livebearer
  Poeciliopsis occidentalis (Baird and Girard, 1853) -- valid -- Gila topminnow, guatopote de Sonora
  Poeciliopsis presidionis (Jordan and Culver in Jordan, 1895) -- valid -- guatopote de Sinaloa, Sinaloa livebearer
  Poeciliopsis prolifica Miller, 1960 -- valid -- blackstripe livebearer, guatopote culiche
  Poeciliopsis scarlli Meyer, Riehl, Dawes and Dibble, 1985 -- valid -- guatopote michoacano, Michoacan livebearer
  Poeciliopsis turneri Miller, 1975 -- valid -- blackspotted livebearer, guatopote de La Huerta
  Poeciliopsis turrubarensis (Meek, 1912) -- valid -- barred livebearer, guatopote del Pacífico
  Poeciliopsis viriosa Miller, 1960 -- valid -- chubby livebearer, guatopote gordito
  Poecilopsetta beanii (Goode, 1881) -- valid -- lenguado ojón, deepwater dab, Deepwater Dab
  Poecilopsettidae -- valid -- bigeye flounders, lenguados ojones, plies à grands yeux
  Pogonias cromis (Linnaeus, 1766) -- valid -- black drum, corvina negra, tambor negro
  Pogonichthys ciscoides Hopkirk, 1974 -- valid -- Clear Lake Splittail
  Pogonichthys macrolepidotus (Ayres, 1854) -- valid -- Splittail, Sacramento splittail
  Pollachius virens (Linnaeus, 1758) -- valid -- pollock, coalfish, carbonero, lieu noir, saithe, goberge
  Pollichthys mauli (Poll, 1953) -- valid -- stareye lightfish, luciérnaga amarilla
  Polydactylus approximans (Lay and Bennett, 1839) -- valid -- blue bobo, barbudo seis barbas
  Polydactylus octonemus (Girard, 1858) -- valid -- Atlantic threadfin, barbudo ocho barbas
  Polydactylus oligodon (Günther, 1860) -- valid -- littlescale threadfin, barbudo siete barbas
  Polydactylus opercularis (Gill, 1863) -- valid -- yellow bobo, barbudo nueve barbas
  Polydactylus virginicus (Linnaeus, 1758) -- valid -- barbu, barbudo, barbudo barbú
  Polyipnus clarus Harold, 1994 -- valid -- slope hatchetfish
  Polylepion cruentum Gomon, 1977 -- valid -- bleeding wrasse, vieja sangradora
  Polymixia lowei Günther, 1859 -- valid -- beardfish, cola de maguey, barbudo, barbudo de lo alto
  Polymixiidae -- valid -- beardfishes, colas de maguey, poissons à barbe, barbudos
  Polynemidae -- valid -- threadfins, barbudos, capitaines
  Polyodon spathula (Walbaum, 1792) -- valid -- paddlefish, American paddlefish
  Polyodontidae -- valid -- paddlefishes, espátulas, spatules
  Polyprion americanus (Bloch and Schneider, 1801) -- valid -- wreckfish
  Polyprionidae -- valid -- náufragos, polyprions, wreckfishes
  Pomacanthidae -- valid -- ángeles, demoiselles, angelfishes
  Pomacanthus arcuatus (Linnaeus, 1758) -- valid -- gray angelfish, chivirica gris, gallineta café
  Pomacanthus paru (Bloch, 1787) -- valid -- chivirica francesa, French angelfish, gallineta negra
  Pomacanthus zonipectus (Gill, 1862) -- valid -- Cortez angelfish, ángel de Cortés
  Pomacentridae -- valid -- damselfishes, demoiselles, castañetas y jaquetas, sergents
  Pomadasys bayanus Jordan and Evermann, 1898 -- valid -- purplemouth grunt, roncacho boquimorada
  Pomadasys branickii (Steindachner, 1879) -- valid -- roncacho arenero, sand grunt
  Pomadasys crocro (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- burro grunt, ticopa, corocoro crocro
  Pomadasys macracanthus (Günther, 1864) -- valid -- longspine grunt, roncacho gordo
  Pomadasys panamensis (Steindachner, 1876) -- valid -- Panamic grunt, roncacho mapache
  Pomatomidae -- valid -- bluefishes, anjovas, tassergals
  Pomatomus saltatrix (Linnaeus, 1766) -- valid -- bluefish, anjova
  Pomoxis annularis Rafinesque, 1818 -- valid -- White Crappie
  Pomoxis nigromaculatus (Lesueur in Cuvier and Valenciennes, 1829) -- valid -- Black Crappie, mojarra negra, marigane noire
  Pontinus castor Poey, 1860 -- valid -- longsnout scorpionfish, rascacio de lo alto
  Pontinus furcirhinus Garman, 1899 -- valid -- lapón rojo, red scorpionfish
  Pontinus longispinis Goode and Bean, 1896 -- valid -- longspine scorpionfish, lapón mariposa
  Pontinus nematophthalmus (Günther, 1860) -- valid -- spinythroat scorpionfish, lapón aleta baja
  Pontinus rathbuni Goode and Bean, 1896 -- valid -- highfin scorpionfish
  Pontinus sierra (Gilbert, 1890) -- valid -- lapón manchado, speckled scorpionfish
  Pontinus vaughani Barnhart and Hubbs, 1946 -- valid -- lapón lomo manchado, spotback scorpionfish
  Porichthys analis Hubbs and Schultz, 1939 -- valid -- darkedge midshipman, sapo de luto
  Porichthys ephippiatus Walker and Rosenblatt, 1988 -- valid -- saddle midshipman, sapo ensillado
  Porichthys greenei Gilbert and Starks, 1904 -- valid -- shorthead midshipman, sapo cabeza corta
  Porichthys margaritatus (Richardson, 1844) -- valid -- pearlspot midshipman, sapo luminoso
  Porichthys mimeticus Walker and Rosenblatt, 1988 -- valid -- mimetic midshipman, sapo mimético
  Porichthys myriaster Hubbs and Schultz, 1939 -- valid -- specklefin midshipman, sapo aleta pintada
  Porichthys notatus Girard, 1854 -- valid -- plainfin midshipman, sapo aleta lucia
  Porichthys plectrodon Jordan and Gilbert, 1882 -- valid -- Atlantic midshipman, sapo narinero, doradilla
  Poroclinus rothrocki Bean, 1890 -- valid -- whitebarred prickleback
  Porocottus mednius (Bean in Jordan and Evermann, 1898) -- valid -- Aleutian fringed sculpin
  Potamarius nelsoni (Evermann and Goldsborough, 1902) -- valid -- Lacandon sea catfish, bagre lacandón
  Priacanthidae -- valid -- bigeyes, catalufas, beauclaires, catalufas
  Priacanthus alalaua Jordan and Evermann, 1903 -- valid -- catalufa alalahua, Hawaiian bigeye
  Priacanthus arenatus Cuvier in Cuvier and Valenciennes, 1829 -- valid -- bigeye, catalufa toro, catalufa ojón
  Priapella bonita (Meek, 1904) -- valid -- graceful priapella, guayacón bonito
  Priapella compressa Alvarez, 1948 -- valid -- guayacón de Palenque, Palenque priapella
  Priapella intermedia Alvarez and Carranza, 1952 -- valid -- guayacón de Chimalapa, isthmian priapella
  Priapella olmecae Meyer and Espinosa Pérez, 1990 -- valid -- guayacón olmeca, Olmec priapella
  Prietella lundbergi Walsh and Gilbert, 1995 -- valid -- Phantom Blindcat, bagre ciego duende
  Prietella phreatophila Carranza, 1954 -- valid -- Mexican blind catfish, Mexican Blindcat, bagre ciego de Múzquiz
  Priolepis hipoliti (Metzelaar, 1922) -- valid -- rusty goby, gobio oxidado
  Prionace glauca (Linnaeus, 1758) -- valid -- blue shark, tiburón azul, requin bleu
  Prionotus alatus Goode and Bean, 1883 -- valid -- spiny searobin, rubio espinoso
  Prionotus albirostris Jordan and Bollman, 1890 -- valid -- vaca cariblanca, whitesnout searobin
  Prionotus birostratus Richardson, 1844 -- valid -- twobeak searobin, vaca dospicos
  Prionotus carolinus (Linnaeus, 1771) -- valid -- northern searobin, common searobin
  Prionotus evolans (Linnaeus, 1766) -- valid -- striped searobin
  Prionotus horrens Richardson, 1844 -- valid -- bristly searobin, vaca polla
  Prionotus longispinosus Teague, 1951 -- valid -- bigeye searobin, rubio ojón
  Prionotus martis Ginsburg, 1950 -- valid -- barred searobin, rubio de barras
  Prionotus ophryas Jordan and Swain, 1885 -- valid -- bandtail searobin, rubio cola bandeada
  Prionotus paralatus Ginsburg, 1950 -- valid -- Mexican searobin, rubio mexicano
  Prionotus punctatus (Bloch, 1793) -- valid -- bluewing searobin, espátula gallina, spotted searobin, rubio azul
  Prionotus roseus Jordan and Evermann, 1887 -- valid -- bluespotted searobin, rubio manchas azules
  Prionotus rubio Jordan, 1886 -- valid -- blackfin searobin, blackwing searobin, espátula aletinegra, rubio aletinegra
  Prionotus ruscarius Gilbert and Starks, 1904 -- valid -- rough searobin, vaca rasposa
  Prionotus scitulus Jordan and Gilbert, 1882 -- valid -- leopard searobin, rubio leopardo
  Prionotus stearnsi Jordan and Swain, 1885 -- valid -- shortwing searobin, rubio pequeño
  Prionotus stephanophrys Lockington, 1881 -- valid -- lumptail searobin, vaca voladora
  Prionotus tribulus Cuvier in Cuvier and Valenciennes, 1829 -- valid -- bighead searobin, rubio cabezón
  Prionurus laticlavius (Valenciennes, 1846) -- valid -- razor surgeonfish, cochinito barbero, Razor Surgeonfish
  Prionurus punctatus Gill, 1862 -- invalid -- yellowtail surgeon, yellowtail surgeonfish, cochinito punteado, Yellowtail Surgeonfish
  Pristidae Bonaparte, 1838 -- valid -- peces sierra, poissons-scies, sawfishes
  Pristigasteridae -- valid -- pristigasterids, pristigastéridés, longfin herrings, sardinas machete, ilishas, pellonas, sawbelly herrings
  Pristigenys alta (Gill, 1862) -- valid -- short bigeye, catalufa de lo alto
  Pristigenys serrula (Gilbert, 1891) -- valid -- popeye catalufa, catalufa semáforo
  Pristipomoides aquilonaris (Goode and Bean, 1896) -- valid -- huachinango navaja, Wenchman, Colas vorace, Panchito voraz
  Pristipomoides freemani Anderson, 1966 -- valid -- Slender Wenchman
  Pristipomoides macrophthalmus (Müller and Troschel in Schomburgk, 1848) -- valid -- pargo panchito, Cardinal Snapper, Colas gros yeux, Panchito ojón
  Pristis pectinata Latham, 1794 -- valid -- pez sierra peine, pez sierra, wide sawfish, smalltooth sawfish
  Pristis pristis (Linnaeus, 1758) -- valid -- pez sierra común, largetooth sawfish, sawfish, common sawfish
  Profundulidae Hoedeman and Bronner, 1951 -- valid -- Middle American killifishes, escamudos, profundulidés
  Profundulus candalarius Hubbs, 1924 -- valid -- escamudo de Comitán, headwater killifish
  Profundulus hildebrandi Miller, 1950 -- valid -- Chiapas killifish, escamudo de San Cristóbal
  Profundulus labialis (Günther, 1866) -- valid -- escamudo bocón, largelip killifish
  Profundulus punctatus (Günther, 1866) -- valid -- brownspotted killifish, escamudo pinto
  Prognathodes aculeatus (Poey, 1860) -- valid -- longsnout butterflyfish, parche narizón, mariposa narigona
  Prognathodes aya (Jordan, 1886) -- valid -- bank butterflyfish, mariposa de banco
  Prognathodes falcifer (Hubbs and Rechnitzer, 1958) -- valid -- mariposa guadaña, scythe butterflyfish
  Prognathodes guyanensis (Durand, 1960) -- valid -- Guyana butterflyfish
  Prognichthys occidentalis Parin, 1999 -- valid -- bluntnose flyingfish, volador ñato, volador chato
  Prognichthys sealei Abe, 1955 -- valid -- volador marinero, sailor flyingfish
  Prognichthys tringa Breder, 1928 -- valid -- Panamic flyingfish, volador panámico
  Pronotogrammus eos Gilbert, 1890 -- valid -- bigeye bass, serrano ojón
  Pronotogrammus martinicensis (Guichenot, 1868) -- valid -- roughtongue bass, serrano lengua rasposa
  Pronotogrammus multifasciatus Gill, 1863 -- valid -- threadfin bass, serrano baga
  Prosopium abyssicola (Snyder, 1919) -- valid -- Bear Lake whitefish
  Prosopium coulterii (Eigenmann and Eigenmann, 1892) -- valid -- pygmy whitefish
  Prosopium cylindraceum (Pennant, 1784) -- valid -- round whitefish, ménomini rond
  Prosopium gemmifer (Snyder, 1919) -- valid -- Bonneville cisco
  Prosopium spilonotus (Snyder, 1919) -- valid -- Bonneville whitefish
  Prosopium williamsoni (Girard, 1856) -- valid -- mountain whitefish
  Proterorhinus marmoratus (Pallas, 1814) -- valid -- tubenose goby
  Protomyctophum crockeri (Bolin, 1939) -- valid -- flashlightfish, California flashlightfish, linternilla luciérnaga
  Psenes cyanophrys Valenciennes in Cuvier and Valenciennes, 1833 -- valid -- pastorcillo amarillento, freckled driftfish, derivante rayado
  Psenes maculatus Lütken, 1880 -- valid -- silver driftfish
  Psenes pellucidus Lütken, 1880 -- valid -- bluefin driftfish, derivante aleta azul
  Psenes sio Haedrich, 1970 -- valid -- derivante dos espinas, twospine driftfish
  Psettichthys melanostictus Girard, 1854 -- valid -- sand sole, Sand Sole, sole de sable
  Pseudobalistes naufragium (Jordan & Starks in Jordan, 1895) -- valid -- blunthead triggerfish, cochito bota, Blunthead Triggerfish
  Pseudocarcharias kamoharai (Matsubara, 1936) -- valid -- tiburón cocodrilo, crocodile shark
  Pseudocarchariidae Compagno, 1973 -- valid -- requins-crocodiles, tiburones cocodrilo, crocodile sharks
  Pseudogramma gregoryi (Breder, 1927) -- valid -- reef bass, jaboncillo arrecifal
  Pseudogramma thaumasium (Gilbert in Jordan and Evermann, 1900) -- valid -- jaboncillo ocelado, Pacific reef bass
  Pseudojuloides inornatus (Gilbert, 1890) -- valid -- Cape wrasse, señorita del Cabo
  Pseudomyrophis fugesae McCosker, Böhlke and Böhlke, 1989 -- valid -- diminutive worm eel
  Pseudomyrophis micropinna Wade, 1946 -- valid -- plain worm eel, tieso enano
  Pseudopentaceros wheeleri Hardy, 1983 -- valid -- longfin armorhead, North Pacific armorhead
  Pseudophallus starksii (Jordan and Culver in Jordan, 1895) -- valid -- pez pipa de río, yellowbelly pipefish
  Pseudopleuronectes americanus (Walbaum, 1792) -- valid -- plie rouge, blackback, Georges Bank flounder, lemon sole, rough flounder, winter flounder, Winter Flounder
  Pseudotriakidae Gill, 1893 -- valid -- false cat sharks, musolones, requins à longue dorsale
  Pseudotriakis microdon Brito Capello, 1868 -- valid -- false cat shark, falsa gata
  Pseudupeneus grandisquamis (Gill, 1863) -- valid -- bigscale goatfish, chivo escamudo, chivo
  Pseudupeneus maculatus (Bloch, 1793) -- valid -- spotted goatfish, salmonete colorado, chivo manchado
  Psilotris alepis Ginsburg, 1953 -- valid -- scaleless goby, gobio de poceta, scaleless goby, gobio sin escamas
  Psilotris batrachodes Böhlke, 1963 -- valid -- toadfish goby, gobio de sapo, toadfish goby, gobio sapito
  Psilotris celsus Böhlke, 1963 -- valid -- highspine goby, highspine goby, gobio espina alta
  Psychrolutes paradoxus Günther, 1861 -- valid -- tadpole sculpin
  Psychrolutes sigalutes (Jordan and Starks, 1895) -- invalid -- soft sculpin
  Psychrolutidae -- valid -- flathead sculpins, cabezas gordas, chabots veloutés, fathead sculpins
  Pteraclis aesticola (Jordan and Snyder, 1901) -- valid -- Pacific fanfish, abanico del Pacífico
  Ptereleotris calliura (Jordan and Gilbert, 1882) -- valid -- blue dartfish, gobio dardo azul
  Ptereleotris carinata Bussing, 2001 -- valid -- gobio dardo panámico, Panamic dartfish
  Ptereleotris helenae (Randall, 1968) -- valid -- gobio azul, hovering goby, hovering dartfish
  Pterois volitans (Linnaeus, 1758) -- valid -- firefish, lionfish, ornate butterfly-cod, red firefish, turkeyfish, zebrafish, red lionfish
  Pteromylaeus asperrimus (Gilbert in Jordan and Evermann, 1898) -- valid -- águila cueruda, rough eagle ray
  Pteronotropis euryzonus (Suttkus, 1955) -- valid -- Broadstripe Shiner
  Pteronotropis grandipinnis (Jordan, 1877) -- valid -- Apalachee Shiner
  Pteronotropis hubbsi (Bailey and Robison, 1978) -- valid -- Bluehead Shiner
  Pteronotropis hypselopterus (Günther, 1868) -- valid -- Sailfin Shiner
  Pteronotropis merlini (Suttkus and Mettee, 2001) -- valid -- Orangetail Shiner
  Pteronotropis signipinnis (Bailey and Suttkus, 1952) -- valid -- Flagfin Shiner
  Pteronotropis welaka (Evermann and Kendall, 1898) -- valid -- Bluenose Shiner
  Pteroplatytrygon violacea (Bonaparte, 1832) -- valid -- raya látigo obispo, pelagic stingray
  Pterycombus brama Fries, 1837 -- valid -- Atlantic fanfish, silver sea bream
  Pterygoplichthys anisitsi Eigenmann and Kennedy, 1903 -- valid -- southern sailfin catfish
  Pterygoplichthys disjunctivus (Weber, 1991) -- valid -- vermiculated sailfin catfish
  Pterygoplichthys multiradiatus (Hancock, 1828) -- valid -- sailfin catfish, Orinoco sailfin catfish, butterfly pleco, plecóstoma del Orinoco
  Pterygoplichthys pardalis (Castelnau, 1855) -- valid -- Amazon sailfin catfish
  Ptilichthyidae Jordan and Gilbert, 1883 -- valid -- quillfishes, fouette-queues, peces pua
  Ptilichthys goodei Bean, 1881 -- valid -- quillfish
  Ptychocheilus grandis (Ayres, 1854) -- valid -- Sacramento squawfish, Sacramento Pikeminnow
  Ptychocheilus lucius Girard, 1856 -- valid -- Colorado squawfish, carpa gigante del Colorado, Colorado Pikeminnow
  Ptychocheilus oregonensis (Richardson, 1836) -- valid -- méné-brochet du nord, northern squawfish, Northern Pikeminnow
  Ptychocheilus umpquae Snyder, 1908 -- valid -- Umpqua Pikeminnow
  Pungitius pungitius (Linnaeus, 1758) -- valid -- ninespine stickleback, tenspined stickleback, épinoche à neuf épines
  Pycnomma semisquamatum Rutter, 1904 -- valid -- gobio furtivo, secret goby
  Pylodictis olivaris (Rafinesque, 1818) -- valid -- barbue à tête plate, Flathead Catfish, bagre piltonte
  Pythonichthys asodes Rosenblatt and Rubinoff, 1972 -- valid -- Pacific mud eel, anguila de fango del Pacífico
  Quassiremus nothochir (Gilbert, 1890) -- valid -- redsaddled snake eel, tieso bisagra
  Quietula y-cauda (Jenkins and Evermann, 1889) -- valid -- shadow goby, gobio sombreado
  Rachycentridae -- valid -- cobias, cobias, cobilos
  Rachycentron canadum (Linnaeus, 1766) -- valid -- cobia, cobia
  Radulinus asprellus Gilbert, 1890 -- valid -- slim sculpin, charrasco flaco
  Radulinus boleoides Gilbert in Jordan and Evermann, 1898 -- valid -- darter sculpin
  Radulinus vinculus Bolin, 1950 -- valid -- smoothgum sculpin
  Raja ackleyi Garman, 1881 -- valid -- raya ocelada, ocellate skate
  Raja binoculata Girard, 1855 -- valid -- raya bruja gigante, big skate
  Raja cortezensis McEachran and Miyake, 1988 -- valid -- Cortez skate, raya de Cortés
  Raja eglanteria Bosc in Lacepède, 1800 -- valid -- raya naricita, clearnose skate
  Raja equatorialis Jordan and Bollman, 1890 -- valid -- equatorial skate, raya ecuatorial
  Raja inornata Jordan and Gilbert, 1881 -- valid -- raya de California, California skate
  Raja rhina Jordan and Gilbert, 1880 -- valid -- raya narigona, longnose skate
  Raja stellulata Jordan and Gilbert, 1880 -- valid -- raya estrellada, starry skate
  Raja texana Chandler, 1921 -- valid -- raya tigre, roundel skate
  Raja velezi Chirichigno F., 1973 -- valid -- rasptail skate, raya chillona
  Rajidae Blainville, 1816 -- valid -- rayas, rays, skates, raies
  Ranzania laevis (Pennant, 1776) -- valid -- slender mola, pez luna colitruncado, mola flaca, Slender Mola
  Rastrinus scutiger (Bean, 1890) -- valid -- roughskin sculpin
  Rathbunella alleni Gilbert, 1904 -- valid -- rough ronquil, rough ronquil, ronco pelón aletirrayada, stripefin ronquil
  Rathbunella hypoplecta (Gilbert in Soldatov and Lindberg, 1890) -- valid -- smooth ronquil, bluebanded ronquil, ronco pelón rayado
  Regalecidae -- valid -- oarfishes, peces remo, régalées
  Regalecus glesne Ascanius, 1772 -- valid -- oarfish, rey de los arenques
  Reinhardtius hippoglossoides (Walbaum, 1792) -- valid -- Greenland halibut, platija negra, Greenland turbot, Newfoundland turbot, turbot, greeenland halibut, flétan du Groenland, Greenland Halibut
  Relictus solitarius Hubbs and Miller, 1972 -- valid -- Relict Dace
  Remora australis (Bennett, 1840) -- valid -- whalesucker, rémora ballenera
  Remora brachyptera (Lowe, 1839) -- valid -- spearfish remora, pez pega robusto, rémora robusta
  Remora osteochir (Cuvier, 1829) -- valid -- marlinsucker, pez pega disco, rémora marlinera
  Remora remora (Linnaeus, 1758) -- valid -- remora, common remora, rémora tiburonera
  Rhacochilus toxotes Agassiz, 1854 -- valid -- rubberlip seaperch, mojarra labios de hule
  Rhacochilus vacca (Girard, 1855) -- valid -- pile perch, mojarra muellera
  Rhamdia guatemalensis (Günther, 1864) -- valid -- pale catfish, juil descolorido
  Rhamdia laticauda (Kner, 1858) -- valid -- rock catfish, juil de Jamapa
  Rhamdia macuspanensis Weber and Wilkens, 1998 -- valid -- Olmec blind catfish, juil ciego olmeca
  Rhamdia parryi Eigenmann and Eigenmann, 1888 -- valid -- Tonala catfish, juil de Tonalá
  Rhamdia reddelli Miller, 1984 -- valid -- blindwhiskered catfish, juil ciego
  Rhamdia zongolicensis Wilkens, 1993 -- valid -- Oaxaca catfish, juil oaxaqueño
  Rhamphocottidae -- valid -- grunt sculpins, chabots grogneurs, charrascos gruñones
  Rhamphocottus richardsonii Günther, 1874 -- valid -- grunt sculpin
  Rhincodon typus Smith, 1828 -- valid -- whale shark, dámero, requin baleine, tiburón ballena
  Rhincodontidae -- valid -- requins-baleines, whale sharks, requins baleine, tiburones ballena
  Rhinichthys atratulus (Hermann, 1804) -- valid -- Blacknose Dace, naseux noir de l'est, Eastern Blacknose Dace, naseux noir
  Rhinichthys cataractae (Valenciennes in Cuvier and Valenciennes, 1842) -- valid -- Longnose Dace, carpita rinconera, naseux des rapides
  Rhinichthys cobitis (Girard, 1856) -- invalid -- loach minnow, carpita locha, loach dace
  Rhinichthys deaconi Miller, 1984 -- valid -- Las Vegas Dace
  Rhinichthys evermanni Snyder, 1908 -- valid -- Umpqua Dace
  Rhinichthys falcatus (Eigenmann and Eigenmann, 1893) -- valid -- naseux léopard, Leopard Dace
  Rhinichthys obtusus Agassiz, 1854 -- valid -- Western Blacknose Dace
  Rhinichthys osculus (Girard, 1856) -- valid -- naseux moucheté, Speckled Dace, carpita pinta
  Rhinichthys umatilla (Gilbert and Evermann, 1894) -- valid -- naseux d'Umatilla, Umatilla Dace
  Rhinobatidae Müller and Henle, 1837 -- valid -- guitares de mer, guitarras, guitarfishes
  Rhinobatos glaucostigma (Jordan and Gilbert, 1883) -- valid -- guitarra punteada, speckled guitarfish
  Rhinobatos lentiginosus Garman, 1880 -- valid -- guitarra diablito, Atlantic guitarfish
  Rhinobatos leucorhynchus (Günther, 1867) -- valid -- whitesnout guitarfish, guitarra trompa blanca
  Rhinobatos productus (Ayres, 1854) -- valid -- guitarra viola, shovelnose guitarfish
  Rhinogobiops nicholsii (Bean, 1882) -- valid -- blackeye goby, gobio triste
  Rhinoptera bonasus (Mitchill, 1815) -- valid -- gavilán cubanito, cownose ray, cara de vaca
  Rhinoptera steindachneri Evermann and Jenkins, 1891 -- valid -- gavilán dorado, golden cownose ray
  Rhinopteridae Jordan and Evermann, 1896 -- valid -- rayas gavilán, mourines, cow-nose rays, cownose rays
  Rhizoprionodon longurio (Jordan and Gilbert, 1882) -- valid -- cazón bironche, Pacific sharpnose shark
  Rhizoprionodon porosus (Poey, 1861) -- valid -- cazón antillano, Caribbean sharpnose shark, cazón de ley
  Rhizoprionodon terraenovae (Richardson, 1836) -- valid -- cazón de ley, Atlantic sharpnose shark, cazón de playa
  Rhodeus sericeus (Pallas, 1776) -- valid -- bitterling
  Rhodymenichthys dolichogaster (Pallas, 1814) -- valid -- stippled gunnel
  Rhomboplites aurorubens (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- besugo, Vermilion Snapper, Vivaneau ti-yeux, Pargo cunaro
  Rhynchoconger flavus (Goode and Bean, 1896) -- valid -- yellow conger, congrio amarillo
  Rhynchoconger gracilior (Ginsburg, 1951) -- valid -- congrina filamentosa, whiptail conger, congrio grácil
  Rhynchoconger nitens (Jordan and Bollman, 1890) -- valid -- needletail conger, congrio estilete
  Richardsonius balteatus (Richardson, 1836) -- valid -- méné rose, Redside Shiner
  Richardsonius egregius (Girard, 1858) -- valid -- Lahontan Redside, Lahontan shiner
  Rimicola cabrilloi Briggs, 2002 -- valid -- Channel Islands clingfish
  Rimicola dimorpha Briggs, 1955 -- valid -- chupapiedra chiquita, southern clingfish
  Rimicola eigenmanni (Gilbert, 1890) -- valid -- slender clingfish, chupiedra flaca
  Rimicola muscarum (Meek and Pierson, 1895) -- valid -- chupapiedra sargacera, kelp clingfish
  Rimicola sila Briggs, 1955 -- valid -- chupapiedra de Guadalupe, Guadalupe clingfish
  Risor ruber (Rosén, 1911) -- valid -- gobio boquita, tusked goby, gobio de boca chica
  Rivulus hartii (Boulenger, 1890) -- valid -- Hart's rivulus, rainfish, Trinidad rivulus, giant rivulus
  Rivulus marmoratus Poey, 1880 -- valid -- mangrove rivulus, rivulus, almirante de manglar, Matanzas rivulus, rivulo de mangle, rivulo matancero
  Rivulus tenuis (Meek, 1904) -- valid -- almirante del Hule, Maya rivulus
  Roeboides bouchellei Fowler, 1923 -- valid -- crystal tetra, sardinita cristal
  Roncador stearnsii (Steindachner, 1876) -- valid -- spotfin croaker, roncador aleta manchada
  Ronquilus jordani (Gilbert, 1889) -- valid -- northern ronquil
  Ruscarius creaseri (Hubbs, 1926) -- valid -- roughcheek sculpin, charrasco cachetirugoso
  Ruscarius meanyi Jordan and Starks, 1895 -- valid -- Puget Sound sculpin
  Ruvettus pretiosus Cocco, 1833 -- valid -- oilfish, escolar, escolar clavo
  Rypticus bicolor Valenciennes, 1846 -- valid -- pacific soapfish, pacific soapfish, jabonero moteado, mottled soapfish
  Rypticus bistrispinus (Mitchill, 1818) -- valid -- freckled soapfish, jaboncillo pecoso, jabonero pecoso
  Rypticus courtenayi McCarthy, 1979 -- valid -- jabonero de Socorro, Socorro soapfish
  Rypticus maculatus Holbrook, 1855 -- valid -- whitespotted soapfish, jabonero albipunteado
  Rypticus nigripinnis Gill, 1861 -- valid -- jabonero doble punteado, twice-spotted soapfish
  Rypticus saponaceus (Bloch and Schneider, 1801) -- valid -- greater soapfish, jaboncillo máximo, jabonero grande
  Rypticus subbifrenatus Gill, 1861 -- valid -- spotted soapfish, jaboncillo punteado, jabonero punteado
  Salmo salar Linnaeus, 1758 -- valid -- Atlantic salmon, saumon atlantique
  Salmo trutta Linnaeus, 1758 -- valid -- brown trout, truite brune
  Salmonidae -- valid -- salmonids, trouts and salmons, truchas y salmones, truites et saumons, salmons, trouts
  Salvelinus alpinus (Linnaeus, 1758) -- valid -- Arctic char, omble chevalier
  Salvelinus confluentus (Suckley, 1859) -- valid -- bull trout
  Salvelinus fontinalis (Mitchill, 1814) -- valid -- brook trout, trucha de arroyo, charr, salter, sea trout, omble de fontaine, coaster brook trout, aurora trout, omble aurora
  Salvelinus malma (Walbaum in Artedi, 1792) -- valid -- Dolly Varden
  Salvelinus namaycush (Walbaum in Artedi, 1792) -- valid -- lake trout, touladi
  Sander canadensis (Griffith and Smith, 1834) -- valid -- sauger, doré noir
  Sander lucioperca (Linnaeus, 1758) -- valid -- pikeperch, sudak, zander
  Sander vitreus (Mitchill, 1818) -- valid -- walleye, doré jaune
  Sanopus johnsoni Collette and Starck in Collette, 1974 -- valid -- Cozumel toadfish, sapo de Cozumel
  Sanopus reticulatus Collette, 1983 -- valid -- reticulate toadfish, sapo reticulado
  Sanopus splendidus Collette, Starck and Phillips in Collette, 1974 -- valid -- splendid toadfish, sapo magnífico
  Sarda chiliensis (Cuvier in Cuvier and Valenciennes, 1832) -- valid -- bonito del Pacífico oriental, bonite du Pacifique oriental, bonito del Pacifico oriental, eastern Pacific bonito, Pacific bonito
  Sarda orientalis (Temminck and Schlegel, 1844) -- valid -- striped bonito, bonito mono, bonito oriental, oriental bonito
  Sarda sarda (Bloch, 1793) -- valid -- bonito, bonito del Atlántico, bonite à dos rayé, bonito Atlántico, bloater, bone jack, Boston mackerel, common bonito, Atlantic bonito
  Sardinella aurita Valenciennes in Cuvier and Valenciennes, 1847 -- valid -- sardina de España, sardina española, round sardinella, Spanish sardine
  Sardinops sagax (Jenyns, 1842) -- valid -- sardina monterrey, Pacific sardine, South American pilchard
  Sargocentron bullisi (Woods, 1955) -- valid -- carajuelo profundo, deepwater squirrelfish
  Sargocentron coruscum (Poey, 1860) -- valid -- carajuelo de arrecife, reef squirrelfish
  Sargocentron poco (Woods, 1965) -- valid -- saddle squirrelfish
  Sargocentron suborbitalis (Gill, 1863) -- valid -- candil sol, tinsel squirrelfish
  Sargocentron vexillarium (Poey, 1860) -- valid -- carajuelo oscuro, dusky squirrelfish
  Sarotherodon melanotheron Rüppell, 1852 -- valid -- blackchin mouthbreeder, blackchin tilapia
  Satan eurystomus Hubbs and Bailey, 1947 -- valid -- Widemouth Blindcat
  Saurenchelys cognita Smith, 1989 -- valid -- longface eel, serpentina noble
  Saurida brasiliensis Norman, 1935 -- valid -- chile brasileño, lagarto brasileño, largescale lizardfish, chile brasileño
  Saurida caribbaea Breder, 1927 -- valid -- lagarto caribeño, smallscale lizardfish, chile caribeño
  Saurida normani Longley, 1935 -- valid -- lagarto espinoso, shortjaw lizardfish, chile espinoso
  Scaphirhynchus albus (Forbes and Richardson, 1905) -- valid -- pallid sturgeon
  Scaphirhynchus platorynchus (Rafinesque, 1820) -- valid -- shovelnose sturgeon
  Scaphirhynchus suttkusi Williams and Clemmer, 1991 -- valid -- Alabama sturgeon
  Scardinius erythrophthalmus (Linnaeus, 1758) -- valid -- European rudd, redeye roach, redfin, pearl roach, rudd
  Scaridae Rafinesque, 1810 -- valid -- parrotfishes, loros, poissons-perroquets
  Scartella cristata (Linnaeus, 1758) -- valid -- molly miller, blenio peineta, borracho peineta
  Scarus coelestinus Valenciennes in Cuvier and Valenciennes, 1840 -- valid -- midnight parrotfish, loro de medianoche
  Scarus coeruleus (Bloch, 1786) -- valid -- blue parrotfish, loro azul
  Scarus compressus (Osburn and Nichols, 1916) -- valid -- azure parrotfish, loro chato
  Scarus ghobban Forsskål, 1775 -- valid -- flame parrotfish, bluechin parrotfish, loro barbazul
  Scarus guacamaia Cuvier, 1829 -- valid -- rainbow parrotfish, loro guacamayo
  Scarus iseri (Bloch, 1789) -- valid -- loro listado, striped parrotfish
  Scarus perrico Jordan and Gilbert, 1882 -- valid -- bumphead parrotfish, loro jorobado, perrico
  Scarus rubroviolaceus Bleeker, 1847 -- valid -- bicolor parrotfish, loro bicolor
  Scarus taeniopterus Desmarest in Bory de Saint-Vincent, 1831 -- valid -- princess parrotfish, loro princesa
  Scarus vetula Bloch and Schneider, 1801 -- valid -- queen parrotfish, loro reina
  Schultzea beta (Hildebrand in Longley and Hildebrand, 1940) -- valid -- school bass, serrano sin dientes, serrano escolar
  Sciadeops troschellii (Gill, 1863) -- invalid -- chili sea catfish, bagre chili
  Sciades hymenorrhinos (Bleeker, 1862) -- valid -- flapnose sea catfish, bagre moreno
  Sciades hymenorrhinus (Bleeker, 1862) -- invalid -- flapnose sea catfish, bagre moreno
  Sciades troschelii Gill, 1863 -- valid -- chili sea catfish, bagre chili
  Sciaenidae -- valid -- croakers, drums, roncadores, corbs, courbines, maigres, ombrines, corvinas y berrugatas, drums and croakers, tambours, coakers
  Sciaenops ocellatus (Linnaeus, 1766) -- valid -- red drum, corvineta ocelada
  Scomber australasicus Cuvier in Cuvier and Valenciennes, 1832 -- valid -- Japanese mackerel, slimy mackerel, spotted chub mackerel, spotted mackerel, macarela pintoja, caballa pintoja, maquereau tacheté, blue mackerel
  Scomber colias Gmelin, 1789 -- valid -- macarela estornino, Atlantic chub mackerel, maquereau blanc, Altantic chub mackerel, bullseye hardhead
  Scomber japonicus Houttuyn, 1782 -- valid -- chub mackerel, macarela estornino, Pacific chub mackerel, estornino, maquereau Espagnol, maquereau blanc, common mackerel, Pacific mackerel
  Scomber scombrus Linnaeus, 1758 -- valid -- caballa del Atlántico, maquereau commun, maquereau bleu, Atlantic mackerel
  Scomberesocidae -- valid -- sauries, saury pikes, balaous, papardas
  Scomberesox saurus (Walbaum, 1792) -- valid -- Atlantic saury, sauro atlántico, skipper garfish, balaou
  Scomberomorus brasiliensis Collette, Russo and Zavala-Camin, 1978 -- valid -- serro Spanish mackerel, serra, serra, thazard tacheté du sud, serra Spanish mackerel
  Scomberomorus cavalla (Cuvier, 1829) -- valid -- king mackerel, sierra, carito, carite lucio, thazard serra
  Scomberomorus concolor (Lockington, 1879) -- valid -- sierra golfina, carite de Monterey, thazard de Monterey, Gulf sierra, Monterey Spanish mackerel
  Scomberomorus maculatus (Mitchill, 1815) -- valid -- serrucho, sierra común, carite Atlántico, thazard Atlantique, Atlantic Spanish mackerel, Spanish mackerel
  Scomberomorus regalis (Bloch, 1793) -- valid -- cero, painted mackerel, pintada, sierra, carite chinigua, thazard franc
  Scomberomorus sierra Jordan and Starks in Jordan, 1895 -- valid -- sierra del Pacífico, carite sierra, thazard sierra, Mexican sierra, Pacific sierra
  Scombridae -- valid -- albacores, bonitos, mackerels, tunas, macarelas, maquereaux
  Scopelarchidae -- valid -- pearleyes, ojos de perla, yeux-perlés
  Scophthalmidae -- valid -- turbots, rodaballos, scophthalmidés, scophthalmids
  Scophthalmus aquosus (Mitchill, 1815) -- valid -- windowpane, brill, sand dab, spotted flounder, turbot de sable, Windowpane
  Scorpaena agassizii Goode and Bean, 1896 -- valid -- longfin scorpionfish, escorpión aleta larga
  Scorpaena albifimbria Evermann and Marsh, 1900 -- valid -- coral scorpionfish, lesser scorpionfish, rascacio coralino, escorpión coralino
  Scorpaena bergii Evermann and Marsh, 1900 -- valid -- escorpión gansito, goosehead scorpionfish
  Scorpaena brachyptera Eschmeyer, 1965 -- valid -- shortfin scorpionfish
  Scorpaena brasiliensis Cuvier in Cuvier and Valenciennes, 1829 -- valid -- barbfish, goosehead scorpionfish, rascacio ganso, escorpión pardo
  Scorpaena calcarata Goode and Bean, 1882 -- valid -- smoothhead scorpionfish, rascacio pelón, escorpión pelón
  Scorpaena dispar Longley and Hildebrand, 1940 -- valid -- hunchback scorpionfish, escorpión jorobado
  Scorpaena elachys Eschmeyer, 1965 -- valid -- dwarf scorpionfish
  Scorpaena grandicornis Cuvier in Cuvier and Valenciennes, 1829 -- valid -- plumed scorpionfish, poison grouper, rascacio cornudo, escorpión plumeado
  Scorpaena guttata Girard, 1854 -- valid -- California scorpionfish, finscaled scoprionfish, escorpión californiano
  Scorpaena histrio Jenyns, 1840 -- valid -- escorpión juguetón, player scorpionfish
  Scorpaena inermis Cuvier in Cuvier and Valenciennes, 1829 -- valid -- mushroom scorpionfish, rascacio bongo, escorpión hongo
  Scorpaena isthmensis Meek and Hildebrand, 1928 -- valid -- smoothcheek scorpionfish, escorpión mejilla lisa
  Scorpaena mystes Jordan and Starks in Jordan, 1895 -- valid -- lapon, stone scorpionfish, escorpión roquero
  Scorpaena plumieri Bloch, 1789 -- valid -- spotted scorpionfish, rascacio multicolor, escorpión negro
  Scorpaena russula Jordan and Bollman, 1890 -- valid -- escorpión sapo, reddish scorpionfish
  Scorpaena sonorae Jenkins and Evermann, 1889 -- valid -- escorpión de Sonora, Sonora scorpionfish
  Scorpaenichthys marmoratus (Ayres, 1854) -- valid -- cabezon, cabezón
  Scorpaenidae -- valid -- firefishes, goblinfishes, rockfishes, scorpionfishes, escorpiones y rocotes, rascasses, scorpènes, scorpénidés
  Scorpaenodes caribbaeus Meek and Hildebrand, 1928 -- valid -- reef scorpionfish, escorpión de arrecife
  Scorpaenodes tredecimspinosus (Metzelaar, 1919) -- valid -- deepreef scorpionfish, rascacio espinoso, escorpión espinoso
  Scorpaenodes xyris (Jordan and Gilbert, 1882) -- valid -- rainbow scorpionfish, escorpión arcoiris
  Scuticaria tigrina (Lesson, 1828) -- valid -- tiger reef eel, morena atigrada
  Scyliorhinidae Gill, 1862 -- valid -- roussettes, pejegatos, cat sharks, catsharks
  Scyliorhinus retifer (Garman, 1881) -- valid -- alitán mallero, chain catshark, chain dogfish
  Scytalichthys miurus (Jordan and Gilbert, 1882) -- valid -- shorttail viper eel, tieso víbora
  Scytalina cerdale Jordan and Gilbert, 1880 -- valid -- graveldiver
  Scytalinidae Jordan and Evermann, 1898 -- valid -- graveldivers, blennies fouisseuses, peces topo
  Sebastes aleutianus (Jordan and Evermann, 1898) -- valid -- rougheye rockfish
  Sebastes alutus (Gilbert, 1890) -- valid -- Pacific ocean perch
  Sebastes atrovirens (Jordan and Gilbert, 1880) -- valid -- kelp rockfish, rocote sargacero
  Sebastes auriculatus Girard, 1854 -- valid -- brown rockfish, rocote moreno
  Sebastes aurora (Gilbert, 1890) -- valid -- aurora rockfish
  Sebastes babcocki (Thompson, 1915) -- valid -- redbanded rockfish
  Sebastes borealis Barsukov, 1970 -- valid -- shortraker rockfish
  Sebastes brevispinis (Bean, 1884) -- valid -- silvergray rockfish
  Sebastes carnatus (Jordan and Gilbert, 1880) -- valid -- gopher rockfish, rocote amarillo
  Sebastes caurinus Richardson, 1844 -- valid -- copper rockfish, rocote cobrizo
  Sebastes chlorostictus (Jordan and Gilbert, 1880) -- valid -- greenspotted rockfish, rocote verde
  Sebastes chrysomelas (Jordan and Gilbert, 1881) -- valid -- black-and-yellow rockfish, rocote mulato
  Sebastes ciliatus (Tilesius, 1813) -- valid -- dusky rockfish
  Sebastes constellatus (Jordan and Gilbert, 1880) -- valid -- starry rockfish, rocote estrellado
  Sebastes cortezi (Beebe and Tee-Van, 1938) -- valid -- Cortez rockfish, rocote de Cortés
  Sebastes crameri (Jordan in Gilbert, 1897) -- valid -- darkblotched rockfish
  Sebastes dallii (Eigenmann and Beeson, 1894) -- valid -- calico rockfish, rocote algodón
  Sebastes diploproa (Gilbert, 1890) -- valid -- splitnose rockfish, rocote doble hocico
  Sebastes elongatus Ayres, 1859 -- valid -- greenstriped rockfish, rocote reina
  Sebastes emphaeus (Starks, 1911) -- valid -- Puget Sound rockfish
  Sebastes ensifer Chen, 1971 -- valid -- swordspine rockfish, rocote espada
  Sebastes entomelas (Jordan and Gilbert, 1880) -- valid -- widow rockfish, rocote viuda
  Sebastes eos (Eigenmann and Eigenmann, 1890) -- valid -- pink rockfish, rocote Santa María
  Sebastes exsul Chen, 1971 -- valid -- rocote bucanero, buccaneer rockfish
  Sebastes fasciatus Storer, 1854 -- valid -- Acadian redfish, Labrador redfish, Acadian rockfish, sébaste acadien
  Sebastes flavidus (Ayres, 1862) -- valid -- yellowtail rockfish
  Sebastes gilli (Eigenmann, 1891) -- valid -- bronzespotted rockfish, rocote bronceado
  Sebastes glaucus Hilgendorf, 1880 -- valid -- gray rockfish
  Sebastes goodei (Eigenmann and Eigenmann, 1890) -- valid -- chilipepper, rocote pimienta
  Sebastes helvomaculatus Ayres, 1859 -- valid -- rosethorn rockfish
  Sebastes hopkinsi (Cramer, 1895) -- valid -- squarespot rockfish, rocote a cuadros
  Sebastes jordani (Gilbert, 1896) -- valid -- shortbelly rockfish, rocote pancita
  Sebastes lentiginosus Chen, 1971 -- valid -- freckled rockfish, rocote pecoso
  Sebastes levis (Eigenmann and Eigenmann, 1889) -- valid -- cowcod, rocote vaquilla
  Sebastes macdonaldi (Eigenmann and Beeson, 1893) -- valid -- Mexican rockfish, rocote mexicano
  Sebastes maliger (Jordan and Gilbert, 1880) -- valid -- quillback rockfish
  Sebastes melanops Girard, 1856 -- valid -- black rockfish
  Sebastes melanosema Lea and Fitch, 1979 -- valid -- semaphore rockfish, rocote semáforo
  Sebastes melanostomus (Eigenmann and Eigenmann, 1890) -- valid -- blackgill rockfish, rocote agalla negra
  Sebastes mentella Travin, 1951 -- valid -- deepwater redfish, deepwater rockfish, sébaste atlantique
  Sebastes miniatus (Jordan and Gilbert, 1880) -- valid -- vermilion rockfish, rocote bermejo
  Sebastes moseri Eitner in Eitner, Kimbrell and Vetter, 1999 -- valid -- rocote manchas blancas, whitespotted rockfish
  Sebastes mystinus (Jordan and Gilbert, 1881) -- valid -- blue rockfish, rocote azul
  Sebastes nebulosus Ayres, 1854 -- valid -- China rockfish
  Sebastes nigrocinctus Ayres, 1859 -- valid -- tiger rockfish
  Sebastes norvegicus (Ascanius, 1772) -- valid -- golden redfish, sébaste orangé
  Sebastes notius Chen, 1971 -- valid -- rocote de Guadalupe, Guadalupe rockfish
  Sebastes ovalis (Ayres, 1862) -- valid -- speckled rockfish, rocote manchado
  Sebastes paucispinis Ayres, 1854 -- valid -- bocaccio, rocote bocaccio
  Sebastes peduncularis Chen, 1975 -- valid -- Gulf rockfish, rocote del Golfo
  Sebastes phillipsi (Fitch, 1964) -- valid -- chameleon rockfish
  Sebastes pinniger (Gill, 1864) -- valid -- canary rockfish, rocote canario
  Sebastes polyspinis (Taranetz and Moiseev in Taranetz, 1933) -- valid -- northern rockfish
  Sebastes proriger (Jordan and Gilbert, 1880) -- valid -- redstripe rockfish
  Sebastes rastrelliger (Jordan and Gilbert, 1880) -- valid -- grass rockfish, rocote olivo
  Sebastes reedi (Westrheim and Tsuyuki, 1967) -- valid -- yellowmouth rockfish
  Sebastes rosaceus Girard, 1854 -- valid -- rosy rockfish, rocote rosado
  Sebastes rosenblatti Chen, 1971 -- valid -- greenblotched rockfish, rocote motas verdes
  Sebastes ruberrimus (Cramer, 1895) -- valid -- rasphead rockfish, yelloweye rockfish, rocote ojo amarillo
  Sebastes rubrivinctus (Jordan and Gilbert, 1880) -- valid -- flag rockfish, rocote bandera
  Sebastes rufinanus Lea and Fitch, 1972 -- valid -- dwarf-red rockfish
  Sebastes rufus (Eigenmann and Eigenmann, 1890) -- valid -- bank rockfish, rocote rojo
  Sebastes saxicola (Gilbert, 1890) -- valid -- stripetail rockfish, rocote cola listada
  Sebastes semicinctus (Gilbert, 1897) -- valid -- halfbanded rockfish, rocote inspector
  Sebastes serranoides (Eigenmann and Eigenmann, 1890) -- valid -- olive rockfish, rocote falsa cabrilla
  Sebastes serriceps (Jordan and Gilbert, 1880) -- valid -- treefish, rocote presidiario
  Sebastes simulator Chen, 1971 -- valid -- pinkrose rockfish, rocote rosa
  Sebastes sinensis (Gilbert, 1890) -- valid -- blackmouth rockfish, rocote boquinegra
  Sebastes spinorbis Chen, 1975 -- valid -- rocote ojo espinoso, spinyeye rockfish
  Sebastes umbrosus (Jordan and Gilbert, 1882) -- valid -- honeycomb rockfish, rocote panal
  Sebastes variegatus Quast, 1971 -- valid -- harlequin rockfish
  Sebastes varispinis Chen, 1975 -- valid -- hidden rockfish, rocote escondido
  Sebastes wilsoni (Gilbert, 1915) -- valid -- pygmy rockfish
  Sebastes zacentrus (Gilbert, 1890) -- valid -- sharpchin rockfish
  Sebastolobus alascanus Bean, 1890 -- valid -- shortspine thornyhead, chancharro alacrán
  Sebastolobus altivelis Gilbert, 1896 -- valid -- longspine thornyhead, chancharro espinoso
  Sebastolobus macrochir (Günther, 1877) -- valid -- broadbanded thornyhead, broadfin thornyhead
  Sectator ocyurus (Jordan and Gilbert, 1882) -- valid -- bluestriped chub, chopa salema
  Selar crumenophthalmus (Bloch, 1793) -- valid -- bigeye scad, chicharro, charrito ojón
  Selene brevoortii (Gill, 1863) -- valid -- jorobado mexicano, Mexican lookdown
  Selene brownii (Cuvier, 1816) -- valid -- Caribbean moonfish, jorobado luna
  Selene orstedii Lütken, 1880 -- valid -- moonfish, dollarfish, jorobado carite, Mexican moonfish
  Selene peruviana (Guichenot, 1866) -- valid -- Pacific moonfish, jorobado papelillo
  Selene setapinnis (Mitchill, 1815) -- valid -- Atlantic moonfish, cara de caballo, jorobado caballa
  Selene vomer (Linnaeus, 1758) -- valid -- lookdown, jorobado, jorobado penacho
  Semicossyphus pulcher (Ayres, 1854) -- valid -- vieja californiana, California sheephead
  Semotilus atromaculatus (Mitchill, 1818) -- valid -- Creek Chub, mulet à cornes
  Semotilus corporalis (Mitchill, 1817) -- valid -- Fallfish, ouitouche
  Semotilus lumbee Snelson and Suttkus, 1978 -- valid -- Sandhills Chub
  Semotilus thoreauianus Jordan, 1877 -- valid -- Dixie Chub
  Seriola dumerili (Risso, 1810) -- valid -- greater amberjack, coronado de ley, medregal coronado
  Seriola fasciata (Bloch, 1793) -- valid -- lesser amberjack, medregal, medregal listado
  Seriola lalandi Valenciennes in Cuvier and Valenciennes, 1833 -- valid -- great amberjack, yellowtail, medregal rabo amarillo, yellowtail jack
  Seriola peruana Steindachner, 1881 -- valid -- fortune jack, medregal fortuno
  Seriola rivoliana Valenciennes in Cuvier and Valenciennes, 1833 -- valid -- almaco jack, Pacific amberjack, coronado, medregal limón
  Seriola zonata (Mitchill, 1815) -- valid -- banded rudderfish, coronado de bandas, medregal rayado, banded rubberfish, sériole à ceintures
  Seriphus politus Ayres, 1860 -- valid -- queenfish, corvineta reina
  Serraniculus pumilio Ginsburg, 1952 -- valid -- pygmy sea bass, serrano pigmeo
  Serranidae -- valid -- groupers, sea basses, bars, mérous, serranidés, cabrillas y meros, sea basses and groupers, serrans
  Serranus aequidens Gilbert, 1890 -- valid -- deepwater serrano, serrano de agua profunda
  Serranus annularis (Günther, 1880) -- valid -- orangeback bass, serrano de dorso naranja, serrano naranja
  Serranus atrobranchus (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- blackear bass, serrano oreja negra
  Serranus baldwini (Evermann and Marsh, 1899) -- valid -- lantern bass, serrano linterna
  Serranus chionaraia Robins and Starck, 1961 -- valid -- snow bass, serrano nevado
  Serranus huascarii Steindachner, 1900 -- valid -- flag serrano, serrano bandera
  Serranus notospilus Longley, 1935 -- valid -- saddle bass, serrano ensillado
  Serranus phoebe Poey, 1851 -- valid -- tattler, diana, serrano diana
  Serranus psittacinus Valenciennes, 1846 -- valid -- barred serrano, serrano guaseta
  Serranus socorroensis Allen and Robertson, 1992 -- valid -- serrano de Socorro, Socorro serrano
  Serranus subligarius (Cope, 1870) -- valid -- belted sandfish, serrano leopardo, serrano aporreado
  Serranus tabacarius (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- tobaccofish, jácome, serrano jácome
  Serranus tigrinus (Bloch, 1790) -- valid -- harlequin bass, serrano arlequín
  Serranus tortugarum Longley, 1935 -- valid -- chalk bass, serrano tortuga, serrano pálido
  Sicydium gymnogaster Ogilvie-Grant, 1884 -- valid -- dormilón de Veracruz, smoothbelly goby
  Sicydium multipunctatum Regan, 1906 -- valid -- dormilón pecoso, multispotted goby
  Sigmistes caulias Rutter in Jordan and Evermann, 1898 -- valid -- kelp sculpin
  Sigmistes smithi Schultz, 1938 -- valid -- arched sculpin
  Siluriformes -- valid -- silures, catfishes
  Skiffia francesae Kingston, 1978 -- valid -- golden skiffia, tiro dorado
  Skiffia lermae Meek, 1902 -- valid -- olive skiffia, tiro olivo
  Skiffia multipunctata (Pellegrin, 1901) -- valid -- splotched skiffia, tiro pintado
  Snyderichthys copei (Jordan and Gilbert, 1881) -- invalid -- leatherside chub
  Soleidae -- valid -- soles, soles, suelas soles
  Somniosus microcephalus (Bloch and Schneider, 1801) -- valid -- Greenland shark, gray shark, ground shark, gurry shark, sleeper shark, laimargue
  Somniosus pacificus Bigelow and Schroeder, 1944 -- valid -- tiburón dormilón del Pacífico, Pacific sleeper shark
  Sparidae -- valid -- dorades, plumas, porgies
  Sparisoma atomarium (Poey, 1861) -- valid -- greenblotch parrotfish, loro de lunar verde, loro mancha verde
  Sparisoma aurofrenatum (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- redband parrotfish, vieja lora, loro manchado
  Sparisoma chrysopterum (Bloch and Schneider, 1801) -- valid -- redtail parrotfish, loro colirrojo, loro verde
  Sparisoma radians (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- bucktooth parrotfish, loro dientuso
  Sparisoma rubripinne (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- redfin parrotfish, loro aletirojo, loro coliamarilla, yellowtail parrotfish
  Sparisoma viride (Bonnaterre, 1788) -- valid -- stoplight parrotfish, loro, loro brilloso
  Speoplatyrhinus poulsoni Cooper and Kuehne, 1974 -- valid -- Alabama cavefish
  Sphoeroides annulatus (Jenyns, 1842) -- valid -- bullseye puffer, botete diana, Bullseye Puffer
  Sphoeroides dorsalis Longley, 1934 -- valid -- marbled puffer, botete jaspeado, Marbled Puffer
  Sphoeroides lispus Walker in Walker & Bussing, 1996 -- valid -- botete liso, naked puffer, Naked Puffer
  Sphoeroides lobatus (Steindachner, 1870) -- valid -- botete, longnose puffer, botete verrugoso, Longnose Puffer
  Sphoeroides maculatus (Bloch & Schneider, 1801) -- valid -- northern puffer, Northern Puffer, sphéroïde du nord
  Sphoeroides nephelus (Goode & Bean, 1882) -- valid -- southern puffer, tamboril sureño, botete fruta, Southern Puffer
  Sphoeroides pachygaster (Müller & Troschel in Schomburgk, 1848) -- valid -- blunthead puffer, botete chato, Blunthead Puffer, sphéroïde trogne
  Sphoeroides parvus Shipp & Yerger, 1969 -- valid -- least puffer, botete xpú, Least Puffer
  Sphoeroides sechurae Hildebrand, 1946 -- valid -- botete peruano, Peruvian puffer
  Sphoeroides spengleri (Bloch, 1785) -- valid -- bandtail puffer, tamboril manchado, botete collarete, Bandtail Puffer
  Sphoeroides testudineus (Linnaeus, 1758) -- valid -- checkered puffer, tamboríl rayado, botete sapo, Checkered Puffer
  Sphoeroides trichocephalus (Cope, 1870) -- valid -- botete enano, pygmy puffer, Pygmy Puffer
  Sphyraena argentea Girard, 1854 -- valid -- Pacific barracuda, barracuda plateada
  Sphyraena barracuda (Edwards in Catesby, 1771) -- valid -- picúa, great barracuda, barracuda