Fish Species — O

1,225 species starting with O, including 59 game fish.

OarfifshRegalecus russellii
Oaxaca cichlidVieja zonata
Oaxaca killifishProfundulus punctatus
Oaxaca livebearerPoeciliopsis lutzi
Obama anthiasTosanoides obama
Obama's TeleogrammaTeleogramma obamaorum
Obbes' catfishPorochilus obbesi
Obese dragonfishOpostomias micripnus
Oblada chainei
Game
Oblada joneti
Game
Oblique butterflyfishPrognathodes obliquus
Oblique-banded cardinalfishApogon semiornatus
Oblique-banded grouperEpinephelus radiatus
Oblique-banded snapperPristipomoides zonatus
Game
Oblique-barred monocle breamScolopsis xenochrous
Oblique-jaw thryssaThryssa purava
Oblique-lined dottybackCypho purpurascens
Oblique-swimming triplefinForsterygion maryannae
Obliquebanded stingfishMinous dempsterae
Obliquogobius cirrifer
Obliquogobius cometes
Obliquogobius fulvostriatus
Obliquogobius megalops
Obliquogobius trifasciatus
Obliquogobius turkayi
Obliquogobius yamadai
Oblong deepsea batfishHalieutopsis oblonga
Oblong ponyfishEquulites oblongus
Oblong slipmouthPhotolateralis stercorarius
Obscure damselPomacentrus adelus
Obscure dragonetCallionymus obscurus
Obscure flatheadSorsogona melanoptera
Obscure GalaxiasGalaxias oliros
Obscure garden eelHeteroconger obscurus
Obscure gobyMugilogobius fusculus
Obscure jawfishOpistognathus adelus
Obscure pufferfishTakifugu obscurus
Obscure ruffPsenopsis obscura
Obscure swamp eelOphisternon aenigmaticum
Obscure triplefinGilloblennius abditus
Obtuse barracudaSphyraena obtusata
Game
Obtuse sandfishSquamicreedia obtusa
Occella iburia
Occella kasawae
Occella kuronumai
Occidental blennyStarksia occidentalis
Ocean poutZoarces americanus
Ocean sunfishMola mola
Ocean surgeonfishAcanthurus tractus
Ocean triggerfishCanthidermis sufflamen
Game
Ocean whitefishCaulolatilus princeps
Game
Oceania fantail rayTaeniura lessoni
Oceanic flyingfishExocoetus gibbosus
Oceanic lightfishVinciguerria nimbaria
Oceanic manta rayMobula birostris
Oceanic pipefishPenetopteryx taeniocephalus
Oceanic pufferLagocephalus lagocephalus
Game
Oceanic two-wing flyingfishExocoetus obtusirostris
Oceanic whitetip sharkCarcharhinus longimanus
Game
Ocellate cardinalfishApogonichthys ocellatus
Ocellate cardinalfishJaydia carinatus
Ocellate duckbillBembrops ocellatus
Ocellate eel blennyBlennodesmus scapularis
Ocellate frogfishHalophryne ocellatus
Ocellate pipefishCorythoichthys ocellatus
Ocellate skateRostroraja ackleyi
Ocellate soapfishGrammistops ocellatus
Ocellate spot skateOkamejei kenojei
Ocellate triplefinApopterygion oculus
Ocellated angelsharkSquatina tergocellatoides
Ocellated blennyOpisthocentrus ocellatus
Ocellated damselNeoglyphidodon bonang
Ocellated dragonetSynchiropus ocellatus
Ocellated dwarfgobyEviota ocellifer
Ocellated eagle rayAetobatus ocellatus
Game
Ocellated electric rayDiplobatis ommata
Ocellated flounderPseudorhombus dupliciocellatus
Ocellated frogfishFowlerichthys ocellatus
Ocellated icefishChionodraco rastrospinosus
Ocellated killifishFloridichthys polyommus
Ocellated labyrinth fishCtenopoma muriei
Ocellated morayGymnothorax ocellatus
Ocellated pufferfishLeiodon cutcutia
Ocellated sand-eelLamnostoma polyophthalmum
Ocellated shrimpgobyTomiyamichthys russus
Ocellated snakeheadChanna pleurophthalma
Ocellated spiny eelMastacembelus vanderwaali
Ocellated splitfin gobyVaricus cephalocellatus
Ocellated tonguefishSymphurus ommaspilus
Ocellated tonguesoleCynoglossus quadriocellatus
Ocellated turbotPleuronichthys ocellatus
Ocellated waspfishApistus carinatus
Ocellated wedge soleDicologlossa hexophthalma
Ochetobius elongatus
Ochmacanthus alternus
Ochmacanthus batrachostomus
Ochmacanthus flabelliferus
Ochmacanthus orinoco
Ochmacanthus reinhardtii
Ochre CushionTrichoderma pulvinatum
Game
Ochre GillgobblerHypomyces lateritius
Game
Ochre-banded goatfishUpeneus sundaicus
Ochre-striped cardinalfishOstorhinchus compressus
Ochreband wrasseLeptojulis chrysotaenia
Ocmulgee shinerCyprinella callisema
Ocosia fasciata
Ocosia possi
Ocosia ramaraoi
Ocosia spinosa
Ocosia vespa
Ocular blennyEcsenius oculus
Ocular coralblennyEcsenius oculatus
Ocynectes maschalis
Ocynectes modestus
Ocyurus lutjanoides
Game
Oda's skateRhinoraja odai
Odd highhatPareques perissa
Odontamblyopus lacepedii
Odontamblyopus rebecca
Odontamblyopus roseus
Odontamblyopus rubicundus
Odontamblyopus tenuis
Odontanthias chrysostictus
Odontanthias dorsomaculatus
Odontanthias elizabethae
Odontanthias flagris
Odontanthias grahami
Game
Odontanthias hensleyi
Odontanthias katayamai
Odontanthias perumali
Game
Odontanthias rhodopeplus
Odontanthias tapui
Odontanthias unimaculatus
Odontanthias wassi
Odontanthias xanthomaculatus
Odonteleotris canina
Odontesthes argentinensis
Odontesthes bicudo
Odontesthes brevianalis
Odontesthes gracilis
Odontesthes hatcheri
Odontesthes humensis
Odontesthes incisa
Odontesthes ledae
Odontesthes mauleanum
Odontesthes mirinensis
Odontesthes nigricans
Odontesthes orientalis
Odontesthes perugiae
Odontesthes piquava
Odontesthes platensis
Odontesthes retropinnis
Odontesthes smitti
Odontesthes wiebrichi
Odontesthes yucuman
Odontobutis haifengensis
Odontobutis hikimius
Odontobutis interruptus
Odontobutis obscurus
Odontobutis platycephala
Odontobutis potamophilus
Odontobutis sinensis
Odontobutis yaluensis
Odontocharacidium varii
Odontolabrax typus
Game
Odontostilbe avanhandava
Odontostilbe dialeptura
Odontostilbe dierythrura
Odontostilbe ecuadorensis
Odontostilbe euspilurus
Odontostilbe fugitiva
Odontostilbe littoris
Odontostilbe microcephala
Odontostilbe mitoptera
Odontostilbe nareuda
Odontostilbe pao
Odontostilbe paraguayensis
Odontostilbe parecis
Odontostilbe pequira
Odontostilbe pulchra
Odontostilbe roloffi
Odontostilbe splendida
Odontostilbe stenodon
Odontostilbe weitzmani
Odontostoechus lethostigmus
Odontostomias masticopogon
Odontostomias micropogon
Offshore cardinalfishOstorhinchus bryx
Offshore lizardfishSynodus poeyi
Offshore pipefishMicrognathus natans
Offshore rockfishPontinus kuhlii
Offshore silver hakeMerluccius albidus
Offshore tonguefishSymphurus civitatum
Ogasawara dwarf-lionfshDendrochirus koyo
Ogasawara gurnard perchNeosebastes multisquamus
Ogasawara sweeperPempheris familia
Ogcocephalus cubifrons
Ogcocephalus notatus
Ogcocephalus porrectus
Ogilby's ghost flatheadHoplichthys ogilbyi
Ogilby's hardyheadAtherinomorus vaigiensis
Ogilby's rainbowfishMelanotaenia ogilbyi
Ogilby's weedfishHeteroclinus heptaeolus
Ogilbyina salvati
Ogilbys ghostsharkChimaera ogilbyi
Ohio lampreyIchthyomyzon bdellium
Ohrid gudgeonGobio ohridanus
Ohrid minnowPelasgus minutus
Ohrid troutSalmo letnica
Game
Oibita catfishCallichthys oibaensis
Oidiphorus brevis
Oidiphorus mcallisteri
OilfishRuvettus pretiosus
Game
Oily bitterlingTanakia limbata
Okaloosa darterEtheostoma okaloosae
Okamejei leptoura
Okamejei mengae
Okamejei picta
Okamoto's deepwater cardinalfishEpigonus okamotoi
Okamura's deepsea batfishHalieutopsis okamurai
Okapi gobyLythrypnus okapia
Okavango robberRhabdalestes maunensis
Okavango suckermouthChiloglanis fasciatus
Okavango tilapiaTilapia ruweti
Okefenokee pygmy sunfishElassoma okefenokee
Okhotsk atka mackerelPleurogrammus azonus
Game
Okhotsk lumpsuckerEumicrotremus ochotonensis
Okhotsk skateBathyraja violacea
Okinawa chromisChromis okamurai
Okinawa flap-headed gobyCallogobius okinawae
Okinawa gobyGobiodon okinawae
Okinawa seabreamAcanthopagrus sivicolus
Game
Okinawan silversideHypoatherina lunata
Okinawan whip-fin ponyfishEquulites ryukyuensis
Okinawan yellow-fin seabreamAcanthopagrus chinshira
Oktedi rainbowfishMelanotaenia oktediensis
Okumus troutSalmo okumusi
Old gloryKoumansetta rainfordi
Old wifeEnoplosus armatus
Old woman angelfishPomacanthus rhomboides
Oldman klipfishClinus woodi
Olea hensoni
Game
Olga coryCorydoras simulatus
Oligobrycon microstomus
Oligolepis cylindriceps
Oligolepis dasi
Oligolepis formosanus
Oligolepis jaarmani
Oligolepis stomias
Oligoplites spinosus
Game
Oligoremora rhenana
Game
Oligosarcus acutirostris
Oligosarcus amome
Oligosarcus argenteus
Oligosarcus bolivianus
Oligosarcus brevioris
Oligosarcus hepsetus
Oligosarcus itau
Oligosarcus jacuiensis
Oligosarcus jenynsii
Oligosarcus longirostris
Oligosarcus macrolepis
Oligosarcus menezesi
Oligosarcus oligolepis
Oligosarcus paranensis
Oligosarcus perdido
Oligosarcus pintoi
Oligosarcus planaltinae
Oligosarcus platensis
Oligosarcus robustus
Oligosarcus schindleri
Oligosarcus solitarius
Oligosarcus varii
Olivaceous snake eelOphichthus olivaceus
Olivaceous wormfishMicrodesmus affinis
Olivaichthys cuyanus
Olivaichthys mesembrinus
Olive barbSystomus sarana
Game
Olive coryCorydoras ehrhardti
Olive darterPercina squamata
Olive dottybackPseudochromis olivaceus
Olive flathead-gudgeonButis amboinensis
olive grouperEpinephelus cifuentesi
Game
Olive grouperHyporthodus cifuentesi
Game
Olive gruntPomadasys olivaceus
Olive rockfishSebastes serranoides
Game
Olive skiffiaSkiffia lermae
Olive snake eelOphichthus rutidoderma
Olive wide-eyed flounderEngyprosopon maldivense
Olive-tailed flatheadRogadius asper
Olivegreen ufipa barbEnteromius olivaceus
Olmec blind catfishRhamdia macuspanensis
Olmec priapellaPriapella olmecae
Olomina toothcarpBrachyrhaphis olomina
Olympic mudminnowNovumbra hubbsi
Olyra astrifera
Olyra collettii
Olyra horae
Olyra kempi
Olyra longicaudata
Olyra saginata
Oman anemonefishAmphiprion omanensis
Oman blennyOman ypsilon
Oman bullhead sharkHeterodontus omanensis
Oman butterflyfishChaetodon dialeucos
Oman cardinalfishLepidamia omanensis
Oman cownose rayRhinoptera jayakari
Oman dragonetCallionymus omanensis
Oman freshwater gobyGlossogobius tenuiformis
Oman gobyLobulogobius omanensis
Oman gurnardLepidotrigla omanensis
Oman jawfishStalix omanensis
Oman morayGymnothorax megaspilus
Oman numbfishNarcine atzi
Oman porgyDiplodus omanensis
Oman snake eelYirrkala omanensis
Oman sweeperPempheris kuriamuria
Oman's eyebrow gobyOxyurichthys omanensis
Omega lizardfishSynodus pacificus
Omegophora cyanopunctata
Ometepec killifishProfundulus emilioi
Omn guitarfishAcroteriobatus omanensis
Omo lampeyeEremodon jeanneli
Omobranchus anolius
Omobranchus aurosplendidus
Omobranchus elegans
Omobranchus fasciolatoceps
Omobranchus hikkaduwensis
Omobranchus loxozonus
Omobranchus smithi
Omobranchus steinitzi
Omobranchus zebra
OmosudidOmosudis lowii
Omox blennyOmox biporos
Ompok binotatus
Ompok borneensis
Ompok brevirictus
Ompok canio
Ompok fumidus
Ompok goae
Ompok hypophthalmus
Ompok javanensis
Ompok jaynei
Ompok karunkodu
Ompok leiacanthus
Ompok miostoma
Ompok platyrhynchus
Ompok pluriradiatus
Ompok siluroides
Ompok sindensis
Ompok supernus
Ompok urbaini
Ompok weberi
Onaç spring minnowPseudophoxinus ninae
Oncorhynchus haberi
Game
Oncorhynchus henshawi
Game
Oncorhynchus hybridus
Game
Oncorhynchus mykiss x Salmo salar
Game
Oncorhynchus virginalis
Game
Oncorhynchus yessoensis
Game
One spot seabreamDiplodus kotschyi
One spot toothcarpPhalloceros uai
One-and-a-half-stripe hapProtomelas insignis
One-blotch grouperEpinephelus melanostigma
One-eyed blennyParaclinus monophthalmus
One-spot dwarfgobyEviota singula
One-spot morayGymnothorax monostigma
One-spot snapperLutjanus monostigma
One-stripe anthiasPseudanthias fasciatus
One-stripe spinyeelMacrognathus aral
One-striped fangblennyMeiacanthus vittatus
One-striped poison-fang blennyMeiacanthus ditrema
Onefin catsharkPentanchus profundicolus
Onefin electric rayNarke capensis
Onefin skateGurgesiella dorsalifera
Oneirodes alius
Oneirodes amaokai
Oneirodes anisacanthus
Oneirodes basili
Oneirodes bradburyae
Oneirodes carlsbergi
Oneirodes clarkei
Oneirodes cordifer
Oneirodes cristatus
Oneirodes dicromischus
Oneirodes flagellifer
Oneirodes haplonema
Oneirodes heteronema
Oneirodes luetkeni
Oneirodes macronema
Oneirodes macrosteus
Oneirodes melanocauda
Oneirodes micronema
Oneirodes mirus
Oneirodes myrionemus
Oneirodes notius
Oneirodes parapietschi
Oneirodes pietschi
Oneirodes plagionema
Oneirodes posti
Oneirodes pterurus
Oneirodes quadrinema
Oneirodes rosenblatti
Oneirodes sanjeevani
Oneirodes schistonema
Oneirodes schmidti
Oneirodes sipharum
Oneirodes theodoritissieri
Oneirodes thysanema
Oneknife unicornfishNaso thynnoides
Oneline clingfishDiscotrema monogrammum
Oneline pencilfishNannostomus unifasciatus
Oneline tetraNannaethiops unitaeniatus
Onesided livebearerJenynsia lineata
Onespot barbPuntius terio
Onespot cardinalfishApogonichthyoides uninotatus
Onespot cuskNeobythites unimaculatus
Onespot demoiselleChrysiptera unimaculata
Onespot fringeheadNeoclinus uninotatus
Onespot gobyCoryogalops monospilus
Onespot squeakerSynodontis notatus
Onespot triplefinEnneapterygius unimaculatus
Onespot waspfishNeocentropogon aeglefinus
Onespot wormfishGunnellichthys monostigma
Onestick stingfishMinous coccineus
Onestripe fusilierPterocaesio tessellata
Onestripe wormfishGunnellichthys pleurotaenia
Onestriped livebearerJenynsia unitaenia
Onigocia grandisquama
Onigocia sibogae
Onrust klipfishClinus berrisfordi
Onychostoma angustistomatum
Onychostoma barbatum
Onychostoma breve
Onychostoma daduense
Onychostoma dongnaiense
Onychostoma elongatum
Onychostoma fangi
Onychostoma fusiforme
Onychostoma gerlachi
Onychostoma krongnoense
Onychostoma laticeps
Onychostoma lepturus
Onychostoma lini
Onychostoma macrolepis
Onychostoma meridionale
Onychostoma minnanense
Onychostoma ovale
Onychostoma rarum
Onychostoma simum
Onychostoma uniforme
Onychostoma virgulatum
Onymocoris barberi
Game
Onymocoris hackeri
Game
Onymocoris izzardi
Game
Onymocoris stysi
Game
Oopu AlamooLentipes concolor
Oostethus jagorii
Opaeophacus acrogeneius
OpahLampris guttatus
Game
Opal allotocaAllotoca dugesii
Opal chimaeraChimaera opalescens
Opal pearlfishLeptolebias opalescens
Opalescent GruntRhonciscus pauco
OpaleyeGirella nigricans
Game
OpalfishHemerocoetes monopterygius
Opaline razorfishIniistius opalus
Opata suckerCatostomus wigginsi
Opeatogenys cadenati
Opeatogenys gracilis
Ophichthus alleni
Ophichthus aniptocheilos
Ophichthus arneutes
Ophichthus asakusae
Ophichthus brachynotopterus
Ophichthus brasiliensis
Ophichthus brevicaudatus
Ophichthus celebicus
Ophichthus congroides
Ophichthus echeloides
Ophichthus exourus
Ophichthus genie
Ophichthus grandoculis
Ophichthus hirritus
Ophichthus humanni
Ophichthus ishiyamorum
Ophichthus kunaloa
Ophichthus lentiginosus
Ophichthus leonensis
Ophichthus limkouensis
Ophichthus machidai
Ophichthus macrops
Ophichthus maculatus
Ophichthus manilensis
Ophichthus megalops
Ophichthus melope
Ophichthus menezesi
Ophichthus microcephalus
Ophichthus microstictus
Ophichthus mystacinus
Ophichthus naevius
Ophichthus obtusus
Ophichthus pratasensis
Ophichthus pullus
Ophichthus retrodorsalis
Ophichthus roseus
Ophichthus rotundus
Ophichthus rugifer
Ophichthus serpentinus
Ophichthus singapurensis
Ophichthus tchangi
Ophichthus tetratrema
Ophichthus tomioi
Ophichthus tsuchidae
Ophichthus woosuitingi
Ophidion josephi
Ophidion lozanoi
Ophidion metoecus
Ophidion rochei
Ophidion saldanhai
Ophidion smithi
Ophioblennius atlanticus
Ophioblennius clippertonensis
Ophioblennius trinitatis
Ophiocara cantoris
Ophiocara macrolepidota
Ophiogobius jenynsi
Ophioscion costaricensis
Ophisurus macrorhynchos
Game
Ophthalmolebias ilheusensis
Ophthalmolycus amberensis
Ophthalmolycus andersoni
Ophthalmolycus bothriocephalus
Ophthalmolycus campbellensis
Ophthalmolycus chilensis
Ophthalmolycus conorhynchus
Ophthalmolycus eastmani
Ophthalmolycus lacrimegalos
Ophthalmolycus macrops
Ophthalmolycus polylepis
Ophthalmotilapia boops
Ophthalmotilapia heterodonta
Ophthalmotilapia nasuta
Ophthalmotilapia ventralis
Opimus troutSalmo opimus
Opisthocentrus tenuis
Opisthocentrus zonope
Opistognathus brochus
Opistognathus challenger
Opistognathus fenmutis
Opistognathus fossoris
Opistognathus hongkongiensis
Opistognathus hopkinsi
Opistognathus iyonis
Opistognathus liturus
Opistognathus nothus
Opistognathus pardus
Opistognathus signatus
Opistognathus smithvanizi
Opistognathus walkeri
Opossum pipefishMicrophis lineatus
Opsaridium boweni
Opsaridium engrauloides
Opsaridium leleupi
Opsaridium loveridgii
Opsaridium maculicauda
Opsaridium microcephalum
Opsaridium splendens
Opsaridium ubangiense
Opsariichthys bea
Opsariichthys bidens
Opsariichthys dienbienensis
Opsariichthys duchuunguyeni
Opsariichthys evolans
Opsariichthys hainanensis
Opsariichthys hieni
Opsariichthys iridescens
Opsariichthys kaopingensis
Opsariichthys macrolepis
Opsariichthys minutus
Opsariichthys pachycephalus
Opsariichthys rubriventris
Opsariichthys songmaensis
Opsarius ardens
Opsarius arunachalensis
Opsarius bakeri
Opsarius barna
Opsarius barnoides
Opsarius bendelisis
Opsarius bernatziki
Opsarius canarensis
Opsarius chatricensis
Opsarius cocsa
Opsarius dimorphicus
Opsarius dogarsinghi
Opsarius gatensis
Opsarius howesi
Opsarius infrafasciatus
Opsarius kanaensis
Opsarius koratensis
Opsarius lairokensis
Opsarius maculatus
Opsarius malabaricus
Opsarius mujnaiensis
Opsarius nelsoni
Opsarius ngawa
Opsarius ornatus
Opsarius pectoralis
Opsarius profundus
Opsarius pulchellus
Opsarius putaoensis
Opsarius sajikensis
Opsarius shacra
Opsarius siangi
Opsarius signicaudus
Opsarius tileo
Orange angelfishCentropyge fisheri
Orange bellowfishNotopogon fernandezianus
Orange blotched eelApterichtus hatookai
Orange brotulaDermatopsoides kasougae
Orange cardinalfishVincentia punctata
Orange chromidePseudetroplus maculatus
Orange clingfishDiplocrepis puniceus
Orange clinidEricentrus rubrus
Orange clownfishAmphiprion percula
Orange croakerAtrobucca brevis
Orange dottybackPseudochromis aldabraensis
Orange dwarf toothcarpNeoheterandria elegans
Orange eelMyroconger nigrodentatus
Orange eelpoutDipulus caecus
Orange filefishAluterus schoepfii
Orange finned toothcarpPriapichthys annectens
Orange goggle gobyHetereleotris aurantiaca
Orange margin butterflyfishPrognathodes basabei
Orange notothenTrematomus vicarius
Orange perchLepidoperca pulchella
Orange pipefishMaroubra yasudai
Orange Polypore MouldHypomyces aurantius
Game
Orange reef-gobyPriolepis nuchifasciata
Orange River chubbyheadEnteromius oraniensis
Orange river mudfishLabeo capensis
Game
Orange roughyHoplostethus atlanticus
Orange scorpionfishNeomerinthe amplisquamiceps
Orange seam snakeheadChanna ninhbinhensis
Orange snakeheadChanna marulioides
Orange spotted damselfishPomacentrus spilotoceps
Orange wrassePseudolabrus luculentus
Orange-banded scorpionfishNeosebastes entaxis
Orange-black dragonetDactylopus kuiteri
Orange-dotted tuskfishChoerodon anchorago
Orange-freckled flatheadRatabulus fulviguttatus
Orange-fringed largemouthChetia brevis
Orange-lined triggerfishBalistapus undulatus
Orange-red pygmygobyTrimma okinawae
Orange-socket surgeonfishAcanthurus auranticavus
Orange-spotted clingfishAcyrtus lanthanum
Orange-spotted emperorLethrinus erythracanthus
Orange-spotted gobyAsterropteryx bipunctata
Orange-spotted grouperEpinephelus coioides
Game
Orange-spotted sand perchDiplectrum eumelum
Orange-spotted sand-gobyFusigobius longispinus
Orange-spotted spinefootSiganus guttatus
Orange-spotted theraponMesopristes kneri
Orange-spotted toadfishTorquigener hypselogeneion
Orange-striped emperorLethrinus obsoletus
Orange-striped gobyAmblygobius decussatus
Orange-striped shrimpgobyStonogobiops yasha
Orange-striped wrasseCirrhilabrus earlei
Orange-tailed coralfishCoradion calendula
Orangeback angelfishCentropyge acanthops
Orangeback bassSerranus annularis
Orangeback fairy-warsseCirrhilabrus aurantidorsalis
Orangebanded gurnard perchNeosebastes occidentalis
Orangebanded stingfishChoridactylus multibarbus
Orangebar anthiasPseudanthias engelhardi
Orangebeard plunderfishPogonophryne orangiensis
Orangebelly darterEtheostoma radiosum
Orangebelly gobyVaricus marilynae
Orangedotted blennyAntennablennius variopunctatus
Orangeface angelfishChaetodontoplus chrysocephalus
Orangefin anemonefishAmphiprion chrysopterus
Orangefin barbEnteromius eutaenia
Orangefin darterEtheostoma bellum
Orangefin labeoLabeo calbasu
Orangefin madtomNoturus gilberti
Orangefin ponyfishPhotopectoralis bindus
Orangefin shinerMiniellus ammophilus
Orangefin tetraBryconops affinis
Orangefin wrasseHalichoeres melanochir
Orangefinned snakeheadChanna aurantipectoralis
Orangeflag blennyEmblemariopsis dianae
Orangehead anthiasPseudanthias heemstrai
Orangehead worm-eelScolecenchelys xorae
Orangelined bullseyePempheris ornata
Orangelined cardinalfishTaeniamia fucata
Orangelined wirrahAcanthistius paxtoni
Orangemouth anchovyThrissina vitrirostris
Orangemouth lizardfishSaurida flamma
Orangemouth weakfishCynoscion xanthulus
Game
Orangeside triggerfishSufflamen verres
Orangesided gobyTigrigobius dilepis
Orangespine unicornfishNaso lituratus
Orangespot surgeonfishAcanthurus olivaceus
Orangespotted blennyHypleurochilus springeri
Orangespotted filefishCantherhines pullus
Orangespotted gobyNes longus
Orangespotted pufferTorquigener vicinus
Orangespotted snakeheadChanna pseudomarulius
Orangespotted soapfishBelonoperca pylei
Orangespotted sunfishLepomis humilis
Orangespotted TrevallyCarangoides bajad
Game
Orangespotted trevallyFlavocaranx bajad
Game
Orangestriped squeakerSynodontis flavitaeniatus
Orangetail dottybackPseudochromis flammicauda
Orangetail filefishPervagor aspricaudus
Orangetail shinerPteronotropis merlini
Orangethroat darterEtheostoma spectabile
Orangethroat pikeblennyChaenopsis alepidota
OrbfishEphippus orbis
Orbicular batfishPlatax orbicularis
Orbiculate cardinalfishSphaeramia orbicularis
Orbiraja philipi
OrcaOrcinus orca
Game
Orchid dottybackPseudochromis fridmani
Orchid leather neck whiptailBrochiloricaria chauliodon
Orcynus lanceolatus
Game
Orcynus latior
Game
Ordinary eelEthadophis byrnei
Ordinary lizardfishSynodus usitatus
Ordinary snake eelMyrophis microchir
Ordway's brotulaBrotula ordwayi
Oregon chubOregonichthys crameri
Oreichthys andrewi
Oreichthys coorgensis
Oreichthys cosuatis
Oreichthys crenuchoides
Oreichthys duospilus
Oreichthys incognito
Oreichthys parvus
Oreichthys warjaintia
Oreochromis angolensis
Oreochromis ismailiaensis
Oreochromis lepidurus
Oreochromis mweruensis
Oreochromis saka
Oreochromis salinicola
Oreochromis schwebischi
Oreochromis upembae
Oreoglanis brevicula
Oreoglanis colurus
Oreoglanis delacouri
Oreoglanis frenata
Oreoglanis heteropogon
Oreoglanis hypsiura
Oreoglanis immaculata
Oreoglanis infulata
Oreoglanis insignis
Oreoglanis jingdongensis
Oreoglanis laciniosa
Oreoglanis lepturus
Oreoglanis macronemus
Oreoglanis macroptera
Oreoglanis majuscula
Oreoglanis nakasathiani
Oreoglanis pangenensis
Oreoglanis setigera
Oreoglanis sudarai
Oreoglanis suraswadii
Oreoglanis tenuicauda
Oreoglanis vicina
Oreoleuciscus dsapchynensis
Oreonectes andongensis
Oreonectes barbatus
Oreonectes donglanensis
Oreonectes duanensis
Oreonectes elongatus
Oreonectes furcocaudalis
Oreonectes guananensis
Oreonectes guidongensis
Oreonectes luochengensis
Oreonectes macrolepis
Oreonectes microphthalmus
Oreonectes polystigmus
Oreonectes retrodorsalis
Oreonectes translucens
OrestiasOrestias cuvieri
Orestias agassizii
Orestias albus
Orestias ascotanensis
Orestias chungarensis
Orestias crawfordi
Orestias ctenolepis
Orestias elegans
Orestias empyraeus
Orestias forgeti
Orestias frontosus
Orestias gilsoni
Orestias gloriae
Orestias gracilis
Orestias gymnota
Orestias hardini
Orestias imarpe
Orestias incae
Orestias ispi
Orestias jussiei
Orestias lastarriae
Orestias laucaensis
Orestias luteus
Orestias minimus
Orestias minutus
Orestias mooni
Orestias mulleri
Orestias multiporis
Orestias mundus
Orestias olivaceus
Orestias parinacotensis
Orestias pentlandii
Orestias piacotensis
Orestias polonorum
Orestias puni
Orestias richersoni
Orestias robustus
Orestias silustani
Orestias taquiri
Orestias tchernavini
Orestias tomcooni
Orestias tschudii
Orestias tutini
Orestias uruni
Orestias ututo
Oriental arrowtooth eelDysommina orientalis
Oriental barracudinaLestidium orientale
Oriental bluespotted maskrayNeotrygon orientalis
Oriental blunt-snouted clingfishGouania orientalis
Oriental butterflyfishChaetodon auripes
Oriental flying gurnardDactyloptena orientalis
Oriental fringe stargazerIchthyscopus pollicaris
Oriental lanternfishMyctophum orientale
Oriental maori wrasseOxycheilinus orientalis
Oriental sandyNovaculops sciistius
Oriental sillagoSillago aeolus
Oriental soleBrachirus orientalis
Oriental sweetlipsPlectorhinchus vittatus
Oriental worm-eelLamnostoma orientale
Orinoco eartheaterBiotodoma wavrini
Orinoco sailfin catfishPterygoplichthys multiradiatus
Orinocodoras eigenmanni
Orissa razorbelly minnowSalmostoma orissaense
Ornamented dragonetCallionymus comptus
Ornamented flyingfishCypselurus callopterus
Ornamented gobyGrallenia compta
Ornamented wrasseHalichoeres ornatissimus
Ornate angelfishGenicanthus bellus
Ornate angelsharkSquatina tergocellata
Ornate bagridChrysichthys ornatus
Ornate bichirPolypterus ornatipinnis
Ornate butterflyfishChaetodon ornatissimus
Ornate coryCorydoras ornatus
Ornate cowfishAracana ornata
Ornate ctenopomaMicroctenopoma ansorgii
Ornate dogfishCentroscyllium ornatum
Ornate eagle rayAetomylaeus vespertilio
Ornate emperorLethrinus ornatus
Ornate GalaxiasGalaxias ornatus
Ornate gobyIstigobius ornatus
Ornate jobfishPristipomoides argyrogrammicus
Ornate limiaLimia ornata
Ornate Mop Sap-suckerStiliger ornatus
Game
Ornate pipefishHalicampus macrorhynchus
Ornate ponyfishEquulites lineolatus
Ornate prawn-gobyVanderhorstia ornatissima
Ornate rainbowfishRhadinocentrus ornatus
Ornate shinerCodoma ornata
Ornate skateOkamejei ornata
Ornate sleeper-rayElectrolux addisoni
Ornate slippery gobyLubricogobius ornatus
Ornate slope dragonetCentrodraco ornatus
Ornate Snake EelHerpetoichthys regius
Ornate snakeheadChanna ornatipinnis
Ornate stargazerGillellus ornatus
Ornate tetraMegalamphodus bentosi
Ornate threadfin breamNemipterus hexodon
Ornate velvetfishBathyaploactis ornatissima
Ornate wobbegongOrectolobus ornatus
Ornate wrasseThalassoma pavo
Game
Orocue coryCorydoras esperanzae
Orontes bleakAlburnus orontis
Orontes breamAcanthobrama centisquama
Orontes daceSqualius spurius
Orontes minnowPseudophoxinus kervillei
Orontes naseChondrostoma kinzelbachi
Orontes phoxinellusPseudophoxinus zeregi
Orontes spined loachCobitis levantina
Orpheus daceSqualius orpheus
Orstom dragonetSynchiropus orstom
Ortega's HypopygusHypopygus ortegai
Orthochromis gecki
Orthochromis indermauri
Orthochromis kalungwishiensis
Orthochromis kasuluensis
Orthochromis katumbii
Orthochromis kimpala
Orthochromis luichensis
Orthochromis luongoensis
Orthochromis malagaraziensis
Orthochromis mazimeroensis
Orthochromis mosoensis
Orthochromis mporokoso
Orthochromis polyacanthus
Orthochromis rubrolabialis
Orthochromis rugufuensis
Orthochromis stormsi
Orthochromis torrenticola
Orthochromis uvinzae
Orthopristis forbesi
Orthospinus franciscensis
Orthosternarchus tamandua
Oryzias asinua
Oryzias bonneorum
Oryzias chenglongensis
Oryzias curvinotus
Oryzias eversi
Oryzias hadiatyae
Oryzias haugiangensis
Oryzias hubbsi
Oryzias luzonensis
Oryzias mekongensis
Oryzias melastigma
Oryzias moramoensis
Oryzias nebulosus
Oryzias pectoralis
Oryzias polylepis
Oryzias sinensis
Oryzias soerotoi
Oryzias songkhramensis
Oryzias timorensis
Oryzias uwai
Oryzias wolasi
Oryzias woworae
Osbeck's grenadier anchovyCoilia mystus
OscarAstronotus ocellatus
Game
Osopsaron formosensis
Osopsaron karlik
Osopsaron verecundum
Osphronemus septemfasciatus
Ossancora asterophysa
Ossancora eigenmanni
Ossancora fimbriata
Ossancora punctata
Ostenfeld's lanternfishDiaphus ostenfeldi
Osteobrama bakeri
Osteobrama belangeri
Osteobrama bhimensis
Osteobrama cotio
Osteobrama cunma
Osteobrama feae
Osteobrama neilli
Osteobrama peninsularis
Osteobrama tikarpadaensis
Osteobrama vigorsii
Osteochilus bellus
Osteochilus bleekeri
Osteochilus borneensis
Osteochilus brachynotopteroides
Osteochilus chini
Osteochilus enneaporos
Osteochilus flavicauda
Osteochilus harrisoni
Osteochilus ingeri
Osteochilus intermedius
Osteochilus jeruk
Osteochilus kahajanensis
Osteochilus kappenii
Osteochilus kelabau
Osteochilus kerinciensis
Osteochilus kuekenthali
Osteochilus lini
Osteochilus longidorsalis
Osteochilus melanopleura
Osteochilus microcephalus
Osteochilus partilineatus
Osteochilus pentalineatus
Osteochilus repang
Osteochilus salsburyi
Osteochilus sarawakensis
Osteochilus scapularis
Osteochilus serokan
Osteochilus sondhii
Osteochilus spilurus
Osteochilus striatus
Osteochilus vittatoides
Osteochilus waandersii
Osteodiscus andriashevi
Osteodiscus lindbergi
Osteodiscus rhepostomias
Osteomugil formosae
Ostorhinchus aphanes
Ostorhinchus aroubiensis
Ostorhinchus aterrimus
Ostorhinchus brevispinis
Ostorhinchus chalcius
Ostorhinchus cyanotaenia
Ostorhinchus diversus
Ostorhinchus fukuii
Ostorhinchus ishigakiensis
Ostorhinchus leslie
Ostorhinchus melanopterus
Ostorhinchus mydrus
Ostorhinchus noumeae
Ostorhinchus oxina
Ostorhinchus pallidus
Ostorhinchus parvulus
Ostorhinchus pselion
Ostorhinchus quinquestriatus
Ostorhinchus radcliffei
Ostorhinchus regula
Ostorhinchus relativus
Ostorhinchus sinus
Ostorhinchus spilurus
Ostorhinchus urostigmus
Ostorhinchus wilsoni
Ostracoberyx dorygenys
Ostracoberyx fowleri
Ostrich gobyCallogobius maculipinnis
Othonocheirodus eigenmanni
Otjikoto tilapiaTilapia guinasana
Otocinclus arnoldi
Otocinclus batmani
Otocinclus bororo
Otocinclus caxarari
Otocinclus cocama
Otocinclus flexilis
Otocinclus hasemani
Otocinclus hoppei
Otocinclus huaorani
Otocinclus juruenae
Otocinclus macrospilus
Otocinclus mangaba
Otocinclus mariae
Otocinclus mimulus
Otocinclus mura
Otocinclus tapirape
Otocinclus vestitus
Otocinclus vittatus
Otocinclus xakriaba
Otolithes arabicus
Otolithus dubius
Game
Otolithus minusculoides
Game
Otomebora mulletPlaniliza melinoptera
Otopharynx aletes
Otopharynx alpha
Otopharynx antron
Otopharynx argyrosoma
Otopharynx brooksi
Otopharynx decorus
Otopharynx lithobates
Otopharynx mumboensis
Otopharynx ovatus
Otopharynx pachycheilus
Otopharynx panniculus
Otopharynx peridodeka
Otopharynx selenurus
Otopharynx speciosus
Otopharynx spelaeotes
Otopharynx styrax
Otopharynx tetraspilus
Otopharynx tetrastigma
Otothyris juquiae
Otothyris rostrata
Otothyris travassosi
Otothyropsis alicula
Otothyropsis biamnicus
Otothyropsis dialeukos
Otothyropsis marapoama
Otothyropsis piribebuy
Otothyropsis polyodon
Ottaviania leptacanthus
Game
Ottaviania mariae
Game
OtunoOlivaichthys viedmensis
Ouachita madtomNoturus lachneri
Ouachita shinerLythrurus snelsoni
Outer-reef damselPomacentrus emarginatus
Outrigger triggerfishXanthichthys caeruleolineatus
Ouwen's gobySicyopterus ouwensi
Oval butterflyfishChaetodon lunulatus
Oval damselfishChromis alta
Oval electric rayTyphlonarke tarakea
Oval flounderSyacium ovale
Oval grouperTriso dermopterus
Oval-spot gobyAsterropteryx ovata
Ovaleye soldierfishOstichthys ovaloculus
Ovate chromisPycnochromis ovatiformis
Ovate soleSolea ovata
Ovoid toothponyGazza dentex
Owens pupfishCyprinodon radiosus
Owens suckerCatostomus fumeiventris
Owston's slickheadAlepocephalus owstoni
Owstonia ainonaka
Owstonia contodon
Owstonia crassa
Owstonia dispar
Owstonia dorypterus
Owstonia elongata
Owstonia fallax
Owstonia geminata
Owstonia grammodon
Owstonia hastata
Owstonia hawaiiensis
Owstonia ignota
Owstonia japonica
Owstonia lepiota
Owstonia macrophthalma
Owstonia melanoptera
Owstonia merensis
Owstonia mundyi
Owstonia nalani
Owstonia nigromarginata
Owstonia nudibucca
Owstonia psilos
Owstonia raredonae
Owstonia rhamma
Owstonia sarmiento
Owstonia scottensis
Owstonia sibogae
Game
Owstonia similis
Owstonia simotera
Owstonia taeniosoma
Owstonia tosaensis
Owstonia weberi
Ox-eyed oreoOreosoma atlanticum
Oxeye oreoAllocyttus folletti
Oxeye scadSelar boops
Oxleyan pygmy perchNannoperca oxleyana
Oxuderces dentatus
Oxybrycon parvulus
Oxycheilinus lineatus
Oxydoras kneri
Oxydoras sifontesi
Oxyeleotris altipinna
Oxyeleotris caeca
Oxyeleotris colasi
Oxyeleotris mertoni
Oxyeleotris siamensis
Oxyeleotris urophthalmus
Oxygaster anomalura
Oxygaster pointoni
Oxygymnocypris stewartii
Oxymetopon curticauda
Oxymetopon filamentosum
Oxynoemacheilus arsaniasus
Oxynoemacheilus axylos
Oxynoemacheilus banarescui
Oxynoemacheilus bergi
Oxynoemacheilus bergianus
Oxynoemacheilus cemali
Oxynoemacheilus chaboras
Oxynoemacheilus chomanicus
Oxynoemacheilus ciceki
Oxynoemacheilus cilicicus
Oxynoemacheilus cinicus
Oxynoemacheilus eliasi
Oxynoemacheilus elsae
Oxynoemacheilus erdali
Oxynoemacheilus eregliensis
Oxynoemacheilus euphraticus
Oxynoemacheilus fatmae
Oxynoemacheilus galilaeus
Oxynoemacheilus gyndes
Oxynoemacheilus hamwii
Oxynoemacheilus hanae
Oxynoemacheilus hazarensis
Oxynoemacheilus isauricus
Oxynoemacheilus kentritensis
Oxynoemacheilus kermanshahensis
Oxynoemacheilus kiabii
Oxynoemacheilus kottelati
Oxynoemacheilus kurdistanicus
Oxynoemacheilus lenkoranensis
Oxynoemacheilus leontinae
Oxynoemacheilus longipinnis
Oxynoemacheilus melenicus
Oxynoemacheilus muefiti
Oxynoemacheilus nasreddini
Oxynoemacheilus panthera
Oxynoemacheilus parvinae
Oxynoemacheilus persa
Oxynoemacheilus phasicus
Oxynoemacheilus pindus
Oxynoemacheilus sakaryaensis
Oxynoemacheilus seyhanicola
Oxynoemacheilus shehabi
Oxynoemacheilus theophilii
Oxynoemacheilus tongiorgii
Oxynoemacheilus veyseli
Oxynoemacheilus zagrosensis
Oxynoemacheilus zarzianus
Oxyrhynchus tube-snouted ghost knifefishSternarchorhynchus oxyrhynchus
Oxyropsis acutirostris
Oxyropsis carinata
Oxyropsis wrightiana
Oxyurichthys chinensis
Oxyurichthys guibei
Oxyurichthys limophilus
Oxyurichthys mindanensis
Oxyurichthys rapa
Oxyurichthys takagi
Oxyurichthys tentacularis
Oxyurichthys viridis
Oxyurichthys visayanus
Oxyurichthys zeta
Oyapock eartheaterGeophagus camopiensis
Oyster blennyHypleurochilus aequipinnis
Oyster gobyArenigobius leftwichi
Oyster pearlfishOnuxodon parvibrachium
Oyster pompanoTrachinotus anak
Game
Oyster toadfishOpsanus tau
Game
Ozark bassAmbloplites constellatus
Game
Ozark cavefishAmblyopsis rosae
Ozark chubErimystax harryi
Ozark logperchPercina fulvitaenia
Ozark madtomNoturus albater
Ozark minnowMiniellus nubilus
Ozark sculpinCottus hypselurus
Ozark shinerParanotropis ozarcanus
Ozelot plecoHypancistrus yudja
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