Iberian barbelLuciobarbus comizo
GameIberian nasePseudochondrostoma polylepis
GameIberian pygmy skateNeoraja iberica
Iberochondrostoma almacai
Iberochondrostoma lemmingii
Iberochondrostoma lusitanicum
GameIberochondrostoma olisiponense
Iberochondrostoma oretanum
Icana coryCorydoras incolicana
Ice gobyLeucopsarion petersii
Iceland catsharkApristurus laurussonii
Ichthyborus quadrilineatus
Ichthyocampus bikiniensis
Ichthyoelephas longirostris
Ichthyscopus malacopterus
Ida’s deepwater cardinalfishEpigonus idai
Idenburg tandanNeosilurus idenburgi
Idukki MystusMystus menoni
Igarapé catfishLepthoplosternum stellatum
Iguaçu livebearerJenynsia diphyes
Ijima's snaggletoothAstronesthes ijimai
Ili marinkaSchizothorax pseudoaksaiensis
Imai's pygmygobyTrimma imaii
Imamura's ghost flatheadHoplichthys imamurai
Imamura’s sandperchParapercis imamurai
Imitator blennyCirripectes imitator
Imitator coryCorydoras imitator
Imitator damselPomacentrus imitator
Imitator dwarfgobyEviota imitata
Immaculate damselMecaenichthys immaculatus
Immaculate dottybackPseudoplesiops immaculatus
Immaculate pufferArothron immaculatus
Immigrant gobyHazeus ingressus
Imparfinis pseudonemacheir
Imperial blackfishSchedophilus ovalis
Imperial gobyPlatygobiopsis akihito
Imperial scaldfishArnoglossus imperialis
Imposter fangblennyPlagiotremus phenax
Imposter lanternfishDiaphus impostor
Imposter TrevallyCarangoides talamparoides
GameImposter trevallyPlatycaranx talamparoides
Impostor gobyCtenogobius phenacus
ImspringerIstiblennius bellus
Inayat's goatfishParupeneus inayatae
Incan cusk-eelLepophidium inca
Incandescent bassletLiopropoma incandescens
Incised gurnard perchNeosebastes incisipinnis
Incognito gobyGobius incognitus
Incomati chiselmouthLabeobarbus nelspruitensis
Incomati suckermouthChiloglanis bifurcus
Inconsistent dwarfgobyEviota asymbasia
Inconspicious barbEnteromius innocens
Inconspicuous blue-eyePseudomugil inconspicuus
Indawgyi stream catfishAkysis prashadi
Indian anchovyStolephorus indicus
Indian bandfishOwstonia whiteheadi
Indian blind catfishHoraglanis krishnai
Indian blue ricefishOryzias dancena
Indian BunquelovelySymphysanodon xanthopterygion
Indian butterflyfishChaetodon mitratus
Indian cardinalfishApogon indicus
Indian carpletAmblypharyngodon microlepis
Indian coolie-loachPangio goaensis
Indian damselPomacentrus indicus
Indian deepsea herringBathyclupea hoskynii
Indian deepwater cardinalfishEpigonus indicus
Indian deepwater dragonetCallionymus carebares
Indian driftfishAriomma indica
Indian dwarfgobyEviota indica
Indian fanrayPlatyrhina psomadakisi
Indian frogfishAntennarius indicus
Indian gagataGagata cenia
Indian glass barbLaubuka laubuca
Indian glassy fishParambassis ranga
Indian goatfishParupeneus indicus
GameIndian gold-ring bristle-toothCtenochaetus truncatus
Indian golden-barred butterflyfishRoa jayakari
Indian halibutPsettodes erumei
Indian handfishHalieutaea indica
Indian hook-teeth morayEnchelycore propinqua
Indian houndsharkIago gopalakrishnani
Indian hump headKurtus indicus
Indian ilishaIlisha melastoma
Indian lanternbellyAcropoma splendens
Indian lizardfishSynodus indicus
Indian longtailed sand-eelBascanichthys deraniyagalai
Indian mackerelRastrelliger kanagurta
GameIndian megamouth dragonetCallionymus megastomus
Indian mottled eelAnguilla bengalensis
GameIndian mud morayGymnothorax tile
Indian mulletPlaniliza mandapamensis
Indian Ocean mimic surgeonfishAcanthurus tristis
Indian Ocean slender mudskipperScartelaos tenuis
Indian Ocean spiny gurnardLepidotrigla multispinosa
Indian Ocean twospot cardinalfishCheilodipterus novemstriatus
Indian oil sardineSardinella longiceps
Indian ornate dragonetSynchiropus lineolatus
Indian parrotfishChlorurus capistratoides
Indian pellonaPellona ditchela
Indian perchJaydia lineata
Indian perchletChelidoperca maculicauda
Indian pike congerCongresox talabonoides
Indian pompanoTrachinotus mookalee
GameIndian potasiPachypterus atherinoides
Indian ring skateOrbiraja powelli
Indian river shadGudusia chapra
Indian ruffPsenopsis cyanea
Indian sabertoothEvermannella melanoderma
Indian sabretoothEvermannella indica
Indian sail-fin surgeonfishZebrasoma desjardinii
Indian sand tigerCarcharias tricuspidatus
Indian scadDecapterus russelli
Indian sevenfinger threadfinFilimanus similis
Indian sharpnose rayTelatrygon crozieri
Indian signalfishPteropsaron indicum
Indian sillagoSillago indica
Indian snapperLutjanus madras
Indian soapfishPogonoperca ocellata
Indian spaghetti-eelMonopterus hodgarti
Indian spotted coffinfishChaunax multilepis
Indian spurdogSqualus hima
Indian stout congerAriosoma indicum
Indian sweeperPempheris mangula
Indian swellsharkCephaloscyllium silasi
Indian threadfinLeptomelanosoma indicum
GameIndian threadfishScyris indica
GameIndian torrent catfishAmblyceps mangois
Indian triggerfishMelichthys indicus
Indian unpatterned morayGymnothorax indicus
Indian vagabond butterflyfishChaetodon decussatus
Indian velvetchinHapalogenys bengalensis
Indian white spotted moray eelGymnothorax smithi
Indian zebra soleZebrias synapturoides
Indifferent eelEthadophis akkistikos
Indigo hamletHypoplectrus indigo
Indo-Pacific barracudinaLestidiops indopacificus
Indo-Pacific blue marlinMakaira mazara
GameIndo-Pacific boarfishAntigonia rubescens
Indo-Pacific glasseyeHeteropriacanthus carolinus
Indo-Pacific king mackerelScomberomorus guttatus
GameIndo-Pacific ocellated flounderTaeniopsetta ocellata
Indo-Pacific oval flounderBothus myriaster
Indo-Pacific sailfishIstiophorus platypterus
GameIndo-Pacific sergeantAbudefduf vaigiensis
Indo-Pacific shorttail congerColoconger scholesi
Indo-Pacific slender worm-eelScolecenchelys gymnota
Indo-Pacific snaggletoothAstronesthes indopacificus
Indo-Pacific tarponMegalops cyprinoides
GameIndo-Pacific tropical sand gobyFavonigobius reichei
Indochina featherbackChitala blanci
Indochinese sheatfishKryptopterus dissitus
Indonesia speckled carpetsharkHemiscyllium freycineti
Indonesia weedfishSpringeratus xanthosoma
Indonesian Angel SharkSquatina legnota
Indonesian damselPomacentrus melanochir
Indonesian deep-sea worm eelNeenchelys nudiceps
Indonesian eelgobyTrypauchenichthys sumatrensis
Indonesian filetail catsharkDichichthys nigripalatum
Indonesian flag dragonetCallionymus melanotopterus
Indonesian flagfinHime caudizoma
Indonesian flyingfishCheilopogon katoptron
Indonesian gizzard shadAnodontostoma selangkat
Indonesian gobyMugilogobius platystoma
Indonesian HoundsharkHemitriakis indroyonoi
Indonesian leaffishPristolepis grootii
Indonesian longfinned eelAnguilla malgumora
Indonesian numbfishNarcine baliensis
Indonesian ocellated flounderPsammodiscus ocellatus
Indonesian sawtailPrionurus chrysurus
Indonesian sharpnose rayTelatrygon biasa
Indonesian shortfin eelAnguilla bicolor
Indonesian shortsnout spurdogSqualus hemipinnis
Indonesian shovelnose rayRhinobatos penggali
Indonesian slender barracudinaStemonosudis similis
Indonesian snakeheadChanna micropeltes
GameIndonesian snapperLutjanus bitaeniatus
Indonesian Speckled CatsharkHalaelurus maculosus
Indonesian wobbegongOrectolobus leptolineatus
Indoreonectes mahadeoensis
Indus catfishMystus horai
Indus snowtroutPtychobarbus conirostris
Inexplicable shrimpgobyCryptocentrus inexplicatus
Inflated whiptailMacrouroides inflaticeps
Inger's deepsea batfishHalieutopsis ingerorum
Inhaca fringelipCirrhimuraena inhacae
Inka dwarf cichlidApistogramma baenschi
Inkomati mountain catfishAmphilius engelbrechti
Inkspot tonguefishSymphurus atramentatus
Inland silversideMenidia beryllina
Innerspotted sandgobyFusigobius inframaculatus
Inotted lizardfishSynodus evermanni
Inpa tube-snouted ghost knifefishSternarchorhynchus inpai
Inpaichthys parauapiranga
Inquiline snailfishLiparis inquilinus
Inscribed wrasseNotolabrus inscriptus
Inshore hagfishEptatretus burgeri
Inshore lizardfishSynodus foetens
GameInshore sand perchDiplectrum pacificum
Insignia prawn-gobyCryptocentroides insignis
Insular bunquelovelySymphysanodon octoactinus
Insular pipefishAnarchopterus tectus
Insular shelf beautySymphysanodon typus
Intermediate cardinalfishCheilodipterus intermedius
Intermediate flounderAsterorhombus intermedius
Intermediate flyingfishCheilopogon intermedius
Intermediate Indian gurnard.Pterygotrigla intermedica
Intermediate lightfishIchthyococcus intermedius
Intermediate scabbardfishAphanopus intermedius
Intermediate sillagoSillago intermedia
Interrupted dartfishParioglossus interruptus
Investigator perchletChelidoperca investigatoris
Investigator pipefishCosmocampus investigatoris
Iodotropheus stuartgranti
Iowa darterEtheostoma exile
Ipojuca catfishAspidoras depinnai
Iporanga tooth carpCnesterodon iguape
Iquitos thorny catfishHemidoras morrisi
Ira's snookCentropomus irae
Iran catGlyptothorax kurdistanicus
Iran cave barbGarra typhlops
Iranian GobyPonticola iranicus
Iraq blind barbGarra widdowsoni
Irian anchovyStolephorus brevis
Irian Jaya rainbowfishMelanotaenia irianjaya
Iridescent cardinalfishPristiapogon kallopterus
Iridescent glassy perchletParambassis apogonoides
Irina's pygmygobyTrimma irinae
Iris CuskeelBarathrites iris
Irish mojarraDiapterus auratus
Irish pollanCoregonus pollan
Irksone eelGordiichthys ergodes
Ironcolor shinerAlburnops chalybaeus
Irrawaddy river sharkGlyphis siamensis
Isbrücker's HypopygusHypopygus isbruckeri
Isbrueckerichthys alipionis
Isbrueckerichthys epakmos
Isbrueckerichthys saxicola
Ishikawa's sculpinFurcina ishikawae
Isiki loachOxynoemacheilus mesudae
Işıklı gudgeonGobio maeandricus
Island cowfishAcanthostracion notacanthus
Island frillfinBathygobius mystacium
Island frogfishAbantennarius bermudensis
Island gobyLythrypnus nesiotes
Island gregoryPlectroglyphidodon insularis
Island grouperMycteroperca fusca
Island gudgeonBostrychus aruensis
Island gurnardPterygotrigla guezei
Island hogfishBodianus insularis
Island kelpfishAlloclinus holderi
Island longfinPlesiops insularis
Island mackerelRastrelliger faughni
GameIsland majorStegastes arcifrons
Island SardinellaSardinella electra
Island trevallyFerdauia orthogrammus
GameIsland triplefinEnneanectes exsul
Isle of Pines rivulusRivulus insulaepinorum
Isok barbProbarbus jullieni
GameIsorineloricaria acuarius
Isorineloricaria tenuicauda
Isorineloricaria villarsi
Isparta minnowCrossocheilus klatti
Issyk-Kul daceLeuciscus bergi
Issyk-kul naked loachTriplophysa ulacholica
Issyk-kul' minnowPhoxinus issykkulensis
Isthmian gobyGobiosoma spilotum
Isthmian priapellaPriapella intermedia
Isthmus gobyArcygobius baliurus
Istiblennius flaviumbrinus
Istiblennius steindachneri
Italian bleakAlburnus albidus
Italian spring gobyKnipowitschia punctatissima
Itapoá toothcarpPhalloceros malabarbai
Itou's goatfishUpeneus itoui
Ituglanis paraguassuensis
Iwame troutOncorhynchus iwame
Iyidere gobyPonticola rizensis
Izak catsharkHolohalaelurus regani
Izmir chubPetroleuciscus smyrnaeus
Izmir mminnowLadigesocypris mermere
Izmir naseChondrostoma holmwoodii
Iznik loachOxynoemacheilus phoxinoides
Iznik shemayaAlburnus nicaeensis
Izu dragonetCallionymus izuensis
Izu Islands triplefinEnneapterygius miyakensis
Izu ruddertail dragonetCallionymus curvispinis
Izu scorpionfishScorpaena izensis
GameIzu stingrayHemitrygon izuensis