Jacareí toothcarpPhalloceros buckupi
Jack DempseyRocio octofasciata
Jack silversideAtherinopsis californiensis
Jack-knifefishEques lanceolatus
Jackson's barbEnteromius jacksoni
Jacuhy plecoHypostomus aspilogaster
Jaggedhead gurnardGargariscus prionocephalus
Jaguar catfishLiosomadoras oncinus
Jaguar dottybackPseudochromis moorei
Jaguar guapoteParachromis managuensis
GameJaguar livebearerJenynsia onca
Jamaica weakfishCynoscion jamaicensis
GameJamaican killifishCubanichthys pengelleyi
Jamal's dottybackManonichthys jamali
JambeauParahollardia lineata
Jamei's tube-snouted ghost knifefishSternarchorhynchus jaimei
James's anchovyAnchoviella jamesi
Jameson's seaperchHypoplectrodes jamesoni
Jamuna ailiaAiliichthys punctata
Jamur Lake grunterVariichthys jamoerensis
JanbruinGymnocrotaphus curvidens
Jandira toothcarpPoecilia sarrafae
Janet's shrimpgobyTomiyamichthys eyreae
Jansen's goatfishParupeneus jansenii
Jansen's wrasseThalassoma jansenii
Janss' pipefishDoryrhamphus janssi
January tetraHemigrammus hyanuary
January toothcarpPhalloptychus januarius
Japan surgeonfishAcanthurus japonicus
Japanese AmagoOncorhynchus rhodurus
Japanese amberjackSeriola quinqueradiata
GameJapanese anchovyEngraulis japonicus
Japanese angelfishCentropyge interrupta
Japanese angelsharkSquatina japonica
Japanese armorheadPentaceros japonicus
Japanese barracudaSphyraena japonica
Japanese barracudinaLestrolepis japonica
Japanese bigeyePristigenys niphonia
Japanese blacktail triplefinSpringerichthys bapturus
Japanese blue-spotted seabreamAmamiichthys matsubarai
Japanese bluespotted maskrayNeotrygon yakkoei
Japanese bullhead sharkHeterodontus japonicus
Japanese butterfly clingfishPropherallodus briggsi
Japanese butterflyfishChaetodon nippon
Japanese butterflyrayGymnura japonica
Japanese catsharkApristurus japonicus
Japanese chromisChromis mirationis
Japanese codletBregmaceros japonicus
Japanese codlingPhysiculus japonicus
Japanese cuskGlyptophidium japonicum
Japanese darter dragonetCallionymus planus
Japanese deepwater clingfishKopua japonica
Japanese doryZenion japonicum
Japanese dragonetSynchiropus ijimai
Japanese dwarfgobyEviota japonica
Japanese eagle rayMyliobatis tobijei
GameJapanese eelAnguilla japonica
Japanese filamentous dragonetCallionymus doryssus
Japanese flatheadInegocia japonica
Japanese fluvial sculpinCottus pollux
Japanese flyingfishCheilopogon agoo
Japanese fold dragonetDiplogrammus xenicus
Japanese gissuPterothrissus gissu
Japanese gizzard shadNematalosa japonica
Japanese goatfishUpeneus japonicus
Japanese gregoryPlectroglyphidodon altus
Japanese grenadierCoelorinchus japonicus
Japanese grenadier anchovyCoilia nasus
Japanese halfbeakHyporhamphus sajori
Japanese highfin deepwater dragonetCallionymus sokonumeri
Japanese huchenParahucho perryi
GameJapanese icefishSalangichthys microdon
Japanese inflator filefishBrachaluteres ulvarum
Japanese jack mackerelTrachurus japonicus
Japanese lanternfishNotoscopelus japonicus
Japanese large-eye breamGymnocranius euanus
Japanese latesLates japonicus
GameJapanese leatherjacketParamonacanthus nipponensis
Japanese lefteye flounderArnoglossus japonicus
Japanese longtail dragonetCallionymus japonicus
Japanese lowfin deepwater dragonetCallionymus ochiaii
Japanese meagreArgyrosomus japonicus
GameJapanese ornate dragonetRepomucenus ornatipinnis
Japanese parrotfishCalotomus japonicus
GameJapanese perchletPlectranthias japonicus
Japanese pufferfishTakifugu rubripes
Japanese pugnose grenadierNezumia condylura
Japanese pygmy seahorseHippocampus japapigu
Japanese rice fishOryzias latipes
Japanese roughsharkOxynotus japonicus
Japanese rubyfishErythrocles schlegelii
Japanese sandfishArctoscopus japonicus
Japanese sardinellaSardinella zunasi
Japanese sawsharkPristiophorus japonicus
Japanese scadDecapterus maruadsi
Japanese seabassLateolabrax japonicus
GameJapanese seabatDibranchus japonicus
Japanese seahorseHippocampus mohnikei
Japanese shortspined scorpionfishScorpaena brevispina
Japanese sillagoSillago japonica
Japanese silver-biddyGerres japonicus
Japanese sleeper rayNarke japonica
Japanese slope dragonetCentrodraco pseudoxenicus
Japanese smeltHypomesus nipponensis
Japanese snake blennyXiphasia matsubarai
Japanese snapperParacaesio caerulea
Japanese soldierfishOstichthys japonicus
Japanese Spanish mackerelScomberomorus niphonius
GameJapanese spiny dragonetCallionymus draconis
Japanese spurdogSqualus japonicus
Japanese swallowGenicanthus semifasciatus
Japanese tenspined silver-biddyGerres akazakii
Japanese thread-sail fishHime japonica
Japanese threadfin breamNemipterus japonicus
Japanese topesharkHemitriakis japanica
Japanese velvet dogfishScymnodon ichiharai
Japanese wedgefishRhynchobatus mononoke
Japanese whiptailPentapodus nagasakiensis
Japanese white crucian carpCarassius cuvieri
Japanese whitespotted jawfishOpistognathus ctenion
Japanese wobbegongOrectolobus japonicus
Japonopsychrolutes dentatus
GameJaquiá toothcarpPhalloceros lucenorum
Jarbua teraponTerapon jarbua
Jari toothcarpPoecilia waiapi
Jarocho gobyElacatinus jarocho
Jarocho hamletHypoplectrus atlahua
Java damselPomacentrus javanicus
Java rockskipperPraealticus oortii
Java spaghetti eelMoringua javanica
Java stingareeUrolophus javanicus
Javaen barbSystomus rubripinnis
Javan flounderPseudorhombus javanicus
Javan ilishaIlisha pristigastroides
Javan pearlsideMaurolicus javanicus
Javan whiprayBrevitrygon javaensis
Javanese monocle breamScolopsis japonica
Javanese ricefishOryzias javanicus
Javanese snakeheadChanna lucius
Javanese threadfinFilimanus hexanema
Javelin grunterPomadasys kaakan
GameJavelin pipefishLissocampus runa
Javelin rainbow sardineDussumieria productissima
Javelin spookfishBathylychnops exilis
Javelin whiptailCoelorinchus gaesorhynchus
Jawed LimiaPoecilia mandibularis
Jayakar's seahorseHippocampus jayakari
Jeanpol's killiNimbapanchax jeanpoli
Jebb's siphonfishSiphamia jebbi
Jeff's snubnose gobyPseudogobius jeffi
Jeffrey's gobyBuenia jeffreysii
Jelly-head fishAteleopus natalensis
Jellybean tetraLepidarchus adonis
JellynoseGuentherus altivela
Jenkin's scorpionfishScorpaenopsis cacopsis
Jenkins whiprayPateobatis jenkinsii
Jenkins' blennyLabrisomus jenkinsi
Jenny creek suckerCatostomus rimiculus
Jenny mojarraEucinostomus gula
Jensen's lanternfishDiaphus jenseni
Jenyn's tonguefishSymphurus jenynsi
Jenyns's spratRamnogaster arcuata
Jerdon's carpHypselobarbus jerdoni
Jespersen's hagfishMyxine jespersenae
Jester gobyOxyurichthys paulae
Jewel fishRubricatochromis letourneuxi
Jewel killiAphyosemion exiguum
Jewel lanternfishLampanyctus crocodilus
Jewel morayMuraena lentiginosa
Jewel tetraMegalamphodus eques
Jeweled splitfinXenotoca variata
JewelfishRubricatochromis bimaculatus
Jewelled blennySalarias fasciatus
Jewelled lanternfishProtomyctophum gemmatum
Jewelled wrasseHalichoeres lapillus
Jewett's coralbrotulaOgilbia jewettae
Jewett's dwarfgobyEviota jewettae
Jianchuan stone loachTriplophysa jianchuanensis
Jigsaw morayUropterygius wheeleri
Jimbaran shovelnose rayRhinobatos jimbaranensis
Jimenez's sea catfishAriopsis jimenezi
Jinshaia niulanjiangensis
Jipe tilapiaOreochromis jipe
Jissah sweeperPempheris darvelli
Joan's fairy-warsseCirrhilabrus joanallenae
John's snapperLutjanus johnii
GameJohnny darterEtheostoma nigrum
Johnson's coralbrotulaDiancistrus jeffjohnsoni
Johnson's gurnard perchNeosebastes johnsoni
Johnson's wrasseCirrhilabrus johnsoni
Johnston Island damselPlectroglyphidodon johnstonianus
Johnston snake-eelSchultzidia johnstonensis
Johnston's topminnowMicropanchax johnstoni
Johnston's weedfishHeteroclinus johnstoni
Joined-fins skateBathyraja cousseauae
Jointed RazorfishAeoliscus strigatus
Jolo dragonetCallionymus scabriceps
Jolthead porgyCalamus bajonado
GameJonah's icefishNeopagetopsis ionah
Jones' pony fishEubleekeria jonesi
Jonklaas' s loachLepidocephalichthys jonklaasi
Jordan's codGadella jordani
Jordan's damselTeixeirichthys jordani
Jordan's red deepwater scorpionfshLythrichthys eulabes
Jordan's sculpinTriglops jordani
Jordan's snapperLutjanus jordani
GameJordan's triangular batfishMalthopsis jordani
Jordan's tuskfishChoerodon jordani
Juan Deriba killifishMoema juanderibaensis
Juan Fernandez trevallyPseudocaranx chilensis
GameJugular blennyAlloblennius jugularis
Juhu’s pigmy eel-loachPangio juhuae
Julian galaxiasParagalaxias julianus
Jumbie tetaAncistrus maracasae
Jumping halfbeakHemiramphus archipelagicus
Jumping tetraHemibrycon tridens
June suckerChasmistes liorus
Jungle toothcarpPoecilia pertapeh
Jurua anchovyJurengraulis juruensis