List of Freshwater Fishes reported from Japan
n = 309
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Table 1: 298 species currently present in the country/island (endemic, native, introduced, reintroduced);
Table 2: 3 species possibly present in the country/island (stray, questionable);
Table 3: 8 species demonstrated to be absent in the country/island (extirpated, not established, misidentification, error).
Table 4: 309 species reported from the country/island altogether.
Table 1: 298 species currently present in the country/island.
     
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Order Family Species Occurrence FishBase name Name
Cypriniformes Cyprinidae Abbottina rivularisnative Chinese false gudgeon Tsuchifuki 
Perciformes Gobiidae Acanthogobius flavimanusnative Yellowfin goby Mahaze 
Perciformes Gobiidae Acanthogobius hastanative  Hazekuchi 
Perciformes Gobiidae Acanthogobius lactipesnative  Ashishirohaze 
Perciformes Sparidae Acanthopagrus latusnative Yellowfin seabream Kichinu 
Cypriniformes Cyprinidae Acheilognathus coreanusnative   
Cypriniformes Cyprinidae Acheilognathus cyanostigmanative Striped bitterling Ichimonjitanago 
Cypriniformes Cyprinidae Acheilognathus intermedianative   
Cypriniformes Cyprinidae Acheilognathus longipinnisnative Deepbody bitterling Itasenpara 
Cypriniformes Cyprinidae Acheilognathus macropterusintroduced   
Cypriniformes Cyprinidae Acheilognathus melanogasternative  Tanago 
Cypriniformes Cyprinidae Acheilognathus rhombeusnative  Kanehira 
Cypriniformes Cyprinidae Acheilognathus tabiranative  Red tabira bitterling 
Cypriniformes Cyprinidae Acheilognathus typusnative  Zenitanago 
Acipenseriformes Acipenseridae Acipenser mikadoinative Sakhalin sturgeon Chôzame 
Acipenseriformes Acipenseridae Acipenser sinensisnative Chinese sturgeon Kara-chôzame 
Perciformes Cichlidae Amatitlania nigrofasciataintroduced Convict cichlid  
Perciformes Ambassidae Ambassis interruptanative Long-spined glass perchlet Nanyô-takasago-ishimochi 
Perciformes Ambassidae Ambassis urotaenianative Banded-tail glassy perchlet Takasago-ishimochi 
Anguilliformes Anguillidae Anguilla japonicanative Japanese eel Unagi 
Anguilliformes Anguillidae Anguilla marmoratanative Giant mottled eel Ô-unagi 
Cypriniformes Cyprinidae Aphyocypris chinensisnative Chinese bleak Hinamoroko 
Perciformes Gobiidae Awaous melanocephalusnative Largesnout goby Kuro-minamihaze 
Perciformes Gobiidae Awaous ocellarisnative  Minamihaze 
Cypriniformes Nemacheilidae Barbatula barbatulanative Stone loach Fukudojô 
Cypriniformes Nemacheilidae Barbatula nudanative   
Cypriniformes Nemacheilidae Barbatula toninative   
Perciformes Eleotridae Belobranchus belobranchusnative Throat-spine gudgeon  
Cypriniformes Cyprinidae Biwia tamanative   
Cypriniformes Cyprinidae Biwia yodoensisnative  Yodo-zezera 
Cypriniformes Cyprinidae Biwia zezeranative  Zezera 
Perciformes Gobiidae Caragobius urolepisnative Scaleless worm goby Asagarahaze 
Cypriniformes Cyprinidae Carassius auratusnative Goldfish Kin-buna 
Cypriniformes Cyprinidae Carassius carassiusnative Crucian carp Funa 
Cypriniformes Cyprinidae Carassius cuvierinative Japanese white crucian carp Gengorô-buna 
Cypriniformes Cyprinidae Carassius langsdorfiinative  Gin-buna 
Mugiliformes Mugilidae Cestraeus plicatilisnative Lobed river mullet Kawa-bora 
Perciformes Gobiidae Chaenogobius annularisnative Forktongue goby Agohaze 
Perciformes Channidae Channa argusintroduced Snakehead Kamuruchi 
Perciformes Channidae Channa asiaticanative Small snakehead Kôtai 
Perciformes Channidae Channa maculataintroduced Blotched snakehead Taiwan-dojô 
Siluriformes Clariidae Clarias batrachusintroduced Philippine catfish  
Siluriformes Clariidae Clarias fuscusintroduced Hong Kong catfish Hirenamazu 
Clupeiformes Clupeidae Clupea pallasii pallasiinative Pacific herring Nishin 
Cypriniformes Cobitidae Cobitis biwaenative  Japanese striped loach 
Cypriniformes Cobitidae Cobitis kaibarainative  Ariake-suji-shima-dojo 
Cypriniformes Cobitidae Cobitis magnostriatanative  Ogata-suji-shima-dojo 
Cypriniformes Cobitidae Cobitis matsubarainative  Yamato-shima-dojo 
Cypriniformes Cobitidae Cobitis minamoriinative  Biwa-kogata-suji-shima-dojo 
Cypriniformes Cobitidae Cobitis shikokuensisnative  Hina-ishi-dojo 
Cypriniformes Cobitidae Cobitis striatanative  Hakata-suji-shima-dojyô 
Cypriniformes Cobitidae Cobitis takatsuensisendemic  Ishi-dojô 
Clupeiformes Engraulidae Coilia nasusnative Japanese grenadier anchovy Etsu 
Perciformes Cichlidae Coptodon zilliiintroduced Redbelly tilapia Jiru-tirapia 
Salmoniformes Salmonidae Coregonus lavaretusintroduced European whitefish  
Salmoniformes Salmonidae Coregonus maraenaintroduced Maraena whitefish  
Siluriformes Bagridae Coreobagrus ichikawaiendemic Neko-gigi Nekogigi 
Perciformes Percichthyidae Coreoperca kawamebarinative  Oyanirami 
Scorpaeniformes Cottidae Cottus amblystomopsisnative Sakhalin sculpin Ezohana-kajika 
Scorpaeniformes Cottidae Cottus hangiongensisnative  Kankyo-kajika 
Scorpaeniformes Cottidae Cottus kazikanative Fourspine sculpin Kamakiri 
Scorpaeniformes Cottidae Cottus nozawaenative  Hana-kajika 
Scorpaeniformes Cottidae Cottus polluxnative Japanese fluvial sculpin Kajika 
Scorpaeniformes Cottidae Cottus reiniinative  Utsusemi-kajika 
Mugiliformes Mugilidae Crenimugil heterocheilosnative Half fringelip mullet Nagare-fûrai-bora 
Cypriniformes Cyprinidae Ctenopharyngodon idellaintroduced Grass carp Sôgyo 
Cypriniformes Cyprinidae Cyprinus carpiointroduced Common carp Koi 
Cypriniformes Cyprinidae Danio albolineatusintroduced Pearl danio  
Cypriniformes Cyprinidae Danio reriointroduced Zebra danio  
Gadiformes Gadidae Eleginus gracilisnative Saffron cod Komai 
Perciformes Eleotridae Eleotris acanthopomanative Spinecheek gudgeon Chichibumodoki 
Perciformes Eleotridae Eleotris fuscanative Dusky sleeper Tenjiku-kawa-anago 
Perciformes Eleotridae Eleotris melanosomanative Broadhead sleeper Okamehaze 
Perciformes Eleotridae Eleotris oxycephalanative  Kawa-anago 
Mugiliformes Mugilidae Ellochelon vaigiensisnative Squaretail mullet Oni-bora 
Petromyzontiformes Petromyzontidae Entosphenus tridentatusnative Pacific lamprey Mitsuba-yatsume 
Perciformes Gobiidae Favonigobius gymnauchennative Sharp-nosed sand goby Himehaze 
Perciformes Gobiidae Favonigobius reicheinative Indo-Pacific tropical sand goby Minami-himehaze 
Perciformes Apogonidae Fibramia amboinensisnative Amboina cardinalfish Amami ishimochi 
Cyprinodontiformes Poeciliidae Gambusia affinisintroduced Mosquitofish Kadayashi 
Gasterosteiformes Gasterosteidae Gasterosteus aculeatusnative Three-spined stickleback Hariyo 
Gasterosteiformes Gasterosteidae Gasterosteus microcephalusnative  Hariyo 
Gasterosteiformes Gasterosteidae Gasterosteus nipponicusnative   
Perciformes Gobiidae Glossogobius aureusnative Golden tank goby Konjikihaze 
Perciformes Gobiidae Glossogobius bicirrhosusnative Bearded flathead goby Agohigehaze 
Perciformes Gobiidae Glossogobius celebiusnative Celebes goby Iwahaze 
Perciformes Gobiidae Glossogobius giurisnative Tank goby  
Perciformes Gobiidae Glossogobius illimisnative   
Perciformes Gobiidae Glossogobius olivaceusnative  Urohaze 
Cypriniformes Cyprinidae Gnathopogon caerulescensnative  Honmoroko 
Cypriniformes Cyprinidae Gnathopogon elongatusnative  Tamoroko 
Perciformes Gobiidae Gobiodon rivulatusnative Rippled coralgoby Akaten-kobanhaze 
Perciformes Gobiidae Gymnogobius breunigiinative  Biringo 
Perciformes Gobiidae Gymnogobius castaneusnative Biringo Biringo 
Perciformes Gobiidae Gymnogobius isazaendemic  Isaza 
Perciformes Gobiidae Gymnogobius opperiensnative  Shima-ukigori 
Perciformes Gobiidae Gymnogobius petschiliensisnative  sumi-ukigori 
Perciformes Gobiidae Gymnogobius scrobiculatusnative  Kubo-haze 
Perciformes Gobiidae Gymnogobius taranetzinative  Shinjikohaze 
Perciformes Gobiidae Gymnogobius urotaenianative  Juzukakehaze 
Cypriniformes Cyprinidae Hemibarbus labeonative Barbel steed Nigoi 
Cypriniformes Cyprinidae Hemibarbus longirostrisnative  Zunaga-nigoi 
Cypriniformes Cyprinidae Hemibarbus maculatusnative Spotted steed  
Cypriniformes Cyprinidae Hemiculter leucisculusnative Sharpbelly  
Cypriniformes Cyprinidae Hemigrammocypris rasborellanative  Kawabatamoroko 
Perciformes Cichlidae Heterotilapia buttikoferiintroduced Zebra tilapia  
Syngnathiformes Syngnathidae Hippichthys heptagonusnative Belly pipefish Amime-kawa-yoji 
Syngnathiformes Syngnathidae Hippichthys penicillusnative Beady pipefish Ganten-ishi-yôji 
Acipenseriformes Acipenseridae Huso dauricusnative Kaluga Dauria-chôzame 
Osmeriformes Osmeridae Hypomesus nipponensisnative Japanese smelt Chishima wakasagi 
Osmeriformes Osmeridae Hypomesus olidusnative Pond smelt Ishikarai-wakasagi 
Cypriniformes Cyprinidae Hypophthalmichthys molitrixintroduced Silver carp Hakuren 
Cypriniformes Cyprinidae Hypophthalmichthys nobilisintroduced Bighead carp Kokuren 
Beloniformes Hemiramphidae Hyporhamphus intermediusnative Asian pencil halfbeak Kurume-sayori 
Perciformes Eleotridae Hypseleotris cyprinoidesnative Tropical carp-gudgeon Tanago-modoki 
Siluriformes Ictaluridae Ictalurus punctatusintroduced Channel catfish  
Cypriniformes Cyprinidae Ischikauia steenackerinative  Wataka 
Pleuronectiformes Pleuronectidae Kareius bicoloratusnative Stone flounder Ishigarei 
Perciformes Kuhliidae Kuhlia boninensisnative  Togenaga-yugoi 
Perciformes Kuhliidae Kuhlia marginatanative Dark-margined flagtail Yugoi 
Perciformes Kuhliidae Kuhlia rupestrisnative Rock flagtail Okuchi-yugoi 
Perciformes Latidae Lates calcarifernative Barramundi Akame 
Perciformes Latidae Lates japonicusendemic Japanese lates Okinokoi 
Cypriniformes Nemacheilidae Lefua echigonianative  Hotokedojô 
Cypriniformes Nemacheilidae Lefua nikkonisendemic  Ezo-hotokedojô 
Perciformes Gobiidae Lentipes armatusnative  Yoroi-bôzuhaze 
Perciformes Centrarchidae Lepomis macrochirusintroduced Bluegill Burûgiru 
Petromyzontiformes Petromyzontidae Lethenteron camtschaticumnative Arctic lamprey Kawa-yatsume 
Petromyzontiformes Petromyzontidae Lethenteron kesslerinative Siberian brook lamprey Shiberia yatsume 
Petromyzontiformes Petromyzontidae Lethenteron matsubarainative   
Petromyzontiformes Petromyzontidae Lethenteron reissnerinative Far Eastern brook lamprey Suna-yatsume 
Perciformes Gobiidae Leucopsarion petersiinative Ice goby Shiro-uo 
Siluriformes Amblycipitidae Liobagrus reiniinative  Akaza 
Perciformes Gobiidae Luciogobius albusendemic  Dôkutsu-mimizuhaze 
Perciformes Gobiidae Luciogobius fluvialisnative  Nagare-mimizuhaze 
Perciformes Gobiidae Luciogobius pallidusendemic  Ido-mimizuhaze 
Perciformes Gobiidae Luciogobius ryukyuensisnative  Minami-hime-mimizuhaze 
Perciformes Osphronemidae Macropodus ocellatusnative Round tail paradisefish Chôsen-buna 
Perciformes Osphronemidae Macropodus opercularisnative Paradisefish Taiwan-kingyo 
Perciformes Gobiidae Mangarinus waterousinative  Uchiwahaze 
Cypriniformes Cyprinidae Megalobrama amblycephalaintroduced Wuchang bream  
Elopiformes Megalopidae Megalops cyprinoidesnative Indo-Pacific tarpon Isegoi 
Perciformes Terapontidae Mesopristes argenteusnative Silver grunter Nise-shima-isaki 
Perciformes Terapontidae Mesopristes cancellatusnative Tapiroid grunter Yokoshima-isaki 
Perciformes Terapontidae Mesopristes iravinative  Shimizu-shimaisaki 
Perciformes Odontobutidae Micropercops cinctusnative   
Perciformes Odontobutidae Micropercops swinhonisnative   
Syngnathiformes Syngnathidae Microphis brachyurusnative Short-tailed pipefish Tengu-yôji 
Syngnathiformes Syngnathidae Microphis leiaspisnative Barhead pipefish Issen-yôji 
Syngnathiformes Syngnathidae Microphis millepunctatusnative Shorttail pipefish  
Syngnathiformes Syngnathidae Microphis retziinative Ragged-tail pipefish Tani-youji 
Perciformes Centrarchidae Micropterus dolomieuintroduced Smallmouth bass Kokuchibasu 
Perciformes Centrarchidae Micropterus salmoidesintroduced Largemouth black bass Okuchibasu 
Cypriniformes Cobitidae Misgurnus anguillicaudatusnative Pond loach Dojô 
Cypriniformes Cobitidae Misgurnus mizolepisnative Chinese muddy loach  
Perciformes Monodactylidae Monodactylus argenteusnative Silver moony Himetsubameuo 
Synbranchiformes Synbranchidae Monopterus albusnative Asian swamp eel Ta-unagi 
Mugiliformes Mugilidae Mugil cephalusnative Flathead grey mullet Bora 
Perciformes Gobiidae Mugilogobius fuscanative  Futahoshihaze 
Perciformes Gobiidae Mugilogobius mertoninative Chequered mangrove goby  
Anguilliformes Muraenesocidae Muraenesox cinereusnative Daggertooth pike conger Hamo 
Cypriniformes Cyprinidae Mylopharyngodon piceusintroduced Black carp Ao-uo 
Osmeriformes Salangidae Neosalangichthys ishikawaenative  Ishikawa-shira-uo 
Osmeriformes Salangidae Neosalanx reganiusendemic  Ariakehime-shira-uo 
Cypriniformes Cyprinidae Nipponocypris sieboldiiendemic  Numamutsu 
Cypriniformes Cyprinidae Nipponocypris temminckiinative Dark chub Kawamutsu 
Cypriniformes Cobitidae Niwaella delicatanative  Ajime-dojô 
Atheriniformes Atherinopsidae Odontesthes bonariensisintroduced Argentinian silverside Rapurata-tougoroo 
Perciformes Odontobutidae Odontobutis hikimiusnative  Ishi-donko 
Perciformes Odontobutidae Odontobutis obscuranative  Donko 
Perciformes Blenniidae Omobranchus feroxnative Gossamer blenny Kawaginpo 
Salmoniformes Salmonidae Oncorhynchus gorbuschanative Pink salmon Karafutomasu 
Salmoniformes Salmonidae Oncorhynchus iwameendemic Iwame trout  
Salmoniformes Salmonidae Oncorhynchus kawamuraeendemic  Kunimasu 
Salmoniformes Salmonidae Oncorhynchus ketanative Chum salmon Shiro-sake 
Salmoniformes Salmonidae Oncorhynchus kisutchnative Coho salmon Gin-zake 
Salmoniformes Salmonidae Oncorhynchus masounative Masu salmon Amago 
Salmoniformes Salmonidae Oncorhynchus mykissintroduced Rainbow trout Masu 
Salmoniformes Salmonidae Oncorhynchus nerkanative Sockeye salmon Himemasu 
Salmoniformes Salmonidae Oncorhynchus rhodurusnative Japanese Amago Biwamasu 
Salmoniformes Salmonidae Oncorhynchus tshawytschanative Chinook salmon Masunosuke 
Syngnathiformes Syngnathidae Oostethus jagoriinative  Hime-tengu-yoji 
Perciformes Eleotridae Ophiocara porocephalanative Northern mud gudgeon Hoshimadarahaze 
Cypriniformes Cyprinidae Opsariichthys uncirostrisnative Three-lips Hasu 
Perciformes Cichlidae Oreochromis aureusintroduced Blue tilapia  
Perciformes Cichlidae Oreochromis mossambicusintroduced Mozambique tilapia Kawasuzume 
Perciformes Cichlidae Oreochromis niloticusintroduced Nile tilapia Chikadai 
Beloniformes Adrianichthyidae Oryzias latipesnative Japanese rice fish Medaka 
Beloniformes Adrianichthyidae Oryzias sakaizumiinative Northern medaka Kitano-medaka 
Beloniformes Adrianichthyidae Oryzias sinensisnative   
Perciformes Osphronemidae Osphronemus goramyintroduced Giant gourami Guurami 
Perciformes Cichlidae Otopharynx lithobatesintroduced   
Cypriniformes Cobitidae Parabotia curtusendemic Kissing loach Ayu-mokodi 
Salmoniformes Salmonidae Parahucho perryinative Japanese huchen Itô 
Perciformes Ambassidae Parambassis rangaintroduced Indian glassy fish  
Cypriniformes Cobitidae Paramisgurnus dabryanusintroduced   
Cypriniformes Cyprinidae Phoxinus jouyinative  Takahaya 
Cypriniformes Cyprinidae Phoxinus steindachnerinative  Aburahaya 
Anguilliformes Ophichthidae Pisodonophis cancrivorusnative Longfin snake-eel Minami-hotate-umihebi 
Mugiliformes Mugilidae Planiliza affinisnative Eastern keelback mullet Sesuji-bora 
Mugiliformes Mugilidae Planiliza macrolepisnative Largescale mullet Ko-bora 
Mugiliformes Mugilidae Planiliza subviridisnative Greenback mullet Anpin-bora 
Osmeriformes Plecoglossidae Plecoglossus altivelisnative Ayu sweetfish Ayu 
Perciformes Haemulidae Plectorhinchus gibbosusnative Harry hotlips Kuro-koshôdai 
Siluriformes Plotosidae Plotosus lineatusnative Striped eel catfish Gonzui 
Cyprinodontiformes Poeciliidae Poecilia reticulataintroduced Guppy Guppii 
Cyprinodontiformes Poeciliidae Poecilia sphenopsintroduced Molly  
Perciformes Latidae Psammoperca waigiensisnative Waigieu seaperch Akame-modoki 
Perciformes Gobiidae Pseudapocryptes elongatusnative   
Siluriformes Bagridae Pseudobagrus aurantiacusnative  Ariake-gibachi 
Siluriformes Bagridae Pseudobagrus tokiensisnative  Gibachi 
Cypriniformes Cyprinidae Pseudogobio esocinusnative  Kamatsuka 
Cypriniformes Cyprinidae Pseudorasbora parvanative Stone moroko Motsugo 
Cypriniformes Cyprinidae Pseudorasbora pugnaxnative   
Cypriniformes Cyprinidae Pseudorasbora pumilanative Moroco Shinai-motsugo 
Siluriformes Loricariidae Pterygoplichthys disjunctivusintroduced Vermiculated sailfin catfish  
Gasterosteiformes Gasterosteidae Pungitius pungitiusnative Ninespine stickleback Ibara-tomiyo 
Gasterosteiformes Gasterosteidae Pungitius sinensisnative Amur stickleback Minami-tomiyo 
Gasterosteiformes Gasterosteidae Pungitius tymensisnative Sakhalin stickleback Ezo-tomiyo 
Cypriniformes Cyprinidae Pungtungia herzinative  Mugitsuku 
Cypriniformes Cyprinidae Pungtungia hilgendorfinative   
Cypriniformes Cyprinidae Pungtungia shiraiinative   
Perciformes Gobiidae Redigobius bikolanusnative Speckled goby Hinahaze 
Perciformes Gobiidae Rhinogobius biwaensisendemic  Biwa-yoshinobori 
Perciformes Gobiidae Rhinogobius brunneusnative Amur goby Yoshinobori 
Perciformes Gobiidae Rhinogobius flumineusnative  Kawa-yoshinobori 
Perciformes Gobiidae Rhinogobius giurinusnative  Gokuraku-haze 
Perciformes Gobiidae Rhinogobius nagoyaenative   
Perciformes Gobiidae Rhinogobius ogasawaraensisnative  Ogasawara-yoshinobori 
Perciformes Gobiidae Rhinogobius similisnative  Gokuraku-haze 
Cypriniformes Cyprinidae Rhodeus atremiusnative Kyushu bitterling Kazetogetanago 
Cypriniformes Cyprinidae Rhodeus ocellatusnative Rosy bitterling Nippon-bara-tanago 
Cypriniformes Cyprinidae Rhodeus sciosemusnative   
Cypriniformes Cyprinidae Rhodeus smithiiendemic  Nippon-baratanago 
Cypriniformes Cyprinidae Rhodeus suigensisnative  Suigen-zenitanago 
Perciformes Rhyacichthyidae Rhyacichthys aspronative Loach goby Tsubasahaze 
Cypriniformes Cyprinidae Rhynchocypris lagowskiinative Amur minnow Abura haya 
Cypriniformes Cyprinidae Rhynchocypris oxycephalusnative Chinese minnow  
Cypriniformes Cyprinidae Rhynchocypris percnurusnative Lake minnow Yachi ugui 
Osmeriformes Salangidae Salangichthys microdonnative Japanese icefish Shira-uo 
Salmoniformes Salmonidae Salmo truttaintroduced Sea trout  
Salmoniformes Salmonidae Salvelinus fontinalisintroduced Brook trout Kawamasu 
Salmoniformes Salmonidae Salvelinus japonicusendemic  Kirikuchi char 
Salmoniformes Salmonidae Salvelinus leucomaenisnative Whitespotted char Amemasu 
Salmoniformes Salmonidae Salvelinus malmanative Dolly varden Miyabe-iwana 
Salmoniformes Salmonidae Salvelinus namaycushintroduced Lake trout  
Cypriniformes Cyprinidae Sarcocheilichthys biwaensisendemic  Abura-higai 
Cypriniformes Cyprinidae Sarcocheilichthys variegatus microoculusendemic  Biwa-higai 
Cypriniformes Cyprinidae Sarcocheilichthys variegatus variegatusnative  Kawa-higai 
Perciformes Gobiidae Schismatogobius ampluvinculusnative  Shima-esohaze 
Perciformes Gobiidae Schismatogobius marmoratusnative   
Perciformes Gobiidae Schismatogobius roxasinative  Esohaze 
Perciformes Gobiidae Sicyopterus japonicusnative  Bôzuhaze 
Perciformes Gobiidae Sicyopterus lagocephalusnative Red-tailed goby Ruri-bozuhaze 
Perciformes Gobiidae Sicyopterus macrostetholepisnative  Ruri-bôzuhaze 
Perciformes Gobiidae Sicyopus zosterophorusnative  Aka-bôzuhaze 
Perciformes Sillaginidae Sillago sihamanative Silver sillago Kisu 
Siluriformes Siluridae Silurus asotusnative Amur catfish Namazu 
Siluriformes Siluridae Silurus biwaensisendemic Eurasian catfish Biwako-ônamazu 
Siluriformes Siluridae Silurus lithophilusendemic  Iwatoko-namazu 
Perciformes Gobiidae Smilosicyopus leprurusnative  Kaeruhaze 
Osmeriformes Osmeridae Spirinchus lanceolatusendemic  Shishamo 
Cypriniformes Cyprinidae Squalidus chankaensisnative Khanka gudgeon Sugomoroko 
Cypriniformes Cyprinidae Squalidus gracilisnative  Ito-moroko 
Cypriniformes Cyprinidae Squalidus homozonusnative   
Cypriniformes Cyprinidae Squalidus japonicusnative  Deme-moroko 
Perciformes Gobiidae Stenogobius genivittatusnative Chinstripe goby Tanekawahaze 
Perciformes Gobiidae Stenogobius ophthalmoporusnative  Dôkehaze 
Perciformes Gobiidae Stiphodon alcedonative   
Perciformes Gobiidae Stiphodon atropurpureusnative  Konteri-bozuhaze 
Perciformes Gobiidae Stiphodon elegansnative  Hayase-bôzuhaze 
Perciformes Gobiidae Stiphodon imperiorientisnative  Hayase-bozuhaze 
Perciformes Gobiidae Stiphodon multisquamusnative  Torafu-bouzu-haze 
Perciformes Gobiidae Stiphodon niraikanaiensisnative   
Perciformes Gobiidae Stiphodon percnopterygionusnative   
Anguilliformes Muraenidae Strophidon sathetenative Slender giant moray Onaga-utsubo 
Perciformes Callionymidae Synchiropus moyerinative Moyer's dragonet Miyake-teguri 
Siluriformes Bagridae Tachysurus nudicepsnative  Gigi 
Tetraodontiformes Tetraodontidae Takifugu obscurusnative Obscure pufferfish Mefugu 
Cypriniformes Cyprinidae Tanakia lanceolatanative  Yari-tanago 
Cypriniformes Cyprinidae Tanakia limbatanative Oily bitterling Aburabote 
Cypriniformes Cyprinidae Tanakia shimazuinative   
Cypriniformes Cyprinidae Tanakia tanagoendemic Tokyo bitterling Miyakotanago 
Perciformes Terapontidae Terapon jarbuanative Jarbua terapon Kotohiki 
Perciformes Cichlidae Tilapia sparrmaniiintroduced Banded tilapia  
Cypriniformes Cyprinidae Tinca tincaintroduced Tench  
Scorpaeniformes Cottidae Trachidermus fasciatusnative Roughskin sculpin ヤマノカミ 
Cypriniformes Cyprinidae Tribolodon brandtiinative Pacific redfin Maruta ugui 
Cypriniformes Cyprinidae Tribolodon hakonensisnative Big-scaled redfin Ugui 
Cypriniformes Cyprinidae Tribolodon nakamurainative  Ukekuchi-ugui 
Cypriniformes Cyprinidae Tribolodon sachalinensisnative  Ezo-ugui 
Perciformes Gobiidae Tridentiger brevispinisnative  Numa-chichibu 
Perciformes Gobiidae Tridentiger kuroiwaenative  Naganogori 
Perciformes Gobiidae Tridentiger obscurusnative Dusky tripletooth goby Chichibu 
Perciformes Gobiidae Tridentiger trigonocephalusnative Chameleon goby Shimahaze 
Cyprinodontiformes Poeciliidae Xiphophorus helleriiintroduced Green swordtail  
Cyprinodontiformes Poeciliidae Xiphophorus maculatusintroduced Southern platyfish  
Cypriniformes Cyprinidae Zacco platypusnative Freshwater minnow Oikawa 
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