[Red List of Threatened Fishes of Japan]

Extinct (EX)

Oncorhynchus nerka kawamurae 
Gnathopogon elongatus suwae
Pungitius kaibarae 

Critically Endangered (CR)

Plecoglossus altivelis ryukyuensis
Salanx ariakensis
Neosalanx reganius
Aphyocypris chinensis
Pseudorasbora pumila subsp.
Tanakia tanago
Acheilognathus longipinnis
Rhodeus ocellatus kurumeus
Rhodeus atremius suigensis
Leptobotia curta
Pungitius sp.1
Pungitius sp.2
Macropodus opercularis
Lutjanus goldiei
Parioglossus taeniatus
Parioglossus lineatus
Callogobius sp.
Cristatogobius nonatoae
Cristatogobius sp.2
Redigobius balteatus
Glossogobius aureus
Glossogobius bicirrhosus
Chaenogobius cylindricus   
Luciogobius albus
Sicyopus leprurus
Sicyopus zosterophorum
Lentipes armatus
Stiphodon stevensoni
Scartelaos histophorus

Endangered (EN)

Hucho perryi
Tribolodon sp.
Hemigrammocypris rasborella
Sarcocheilichthys biwaensis
Pseudorasbora pumila pumila
Acheilognathus cyanostigma
Acheilognathus typus
Cobitis takatsuensis
Lefua echigonia
Lefua sp.
Pseudobagrus ichikawai
Mesopristes argenteus
Mesopristes cancellatus
Mesopristes sp.
Rhyacichthys aspro
Ophieleotris sp.
Hypseleotris cyprinoides
Cristatogobius sp.1
Schismatogobius roxasi
Schismatogobius ampluvinculus
Rhinogobius sp.YB
Rhinogobius sp.BB
Rhinogobius sp.BI
Chaenogobius macrognathos
Chaenogobius scrobiculatus
Chaenogobius uchidai
Sicyopterus macrostetholepis
Apocryptodon punctatus

Vulunerable (VU)

Lethenteron reissneri
Coilia nasus 
Acheilognathus tabira subsp.2
Rhodeus atremius atremius
Cobitis sp.1
Lefua nikkonis
Pseudobagrus tokiensis
Liobagrus reini
Oryzias latipes
Crenimugil heterocheilos
Butis amboinensis
Bostrychus sinensis
Acentrogobius viridipunctatus
Chaenogobius sp.3
Acanthogobius insularis
Boleophthalmus pectinirostris
Trachidermis fasciatus
Cottus reinii

Near Threatened (NT)

Lethenteron kessleri
Salvelinus malma miyabei
Salvelinus malma krascheninnikovi
Oncorhynchus masou subsp.
Phoxinus percnurus sachalinensis
Acheilognathus melanogaster
Pseudobagrus aurantiacus
Pungitius tymensis
Coreoperca kawamebari
Lates japonicus
Chaenogobius isaza
Leucopsarion petersii

Data Deficient (DD)

Entosphenus tridentatus
Hypomesus olidus
Phoxinus lagowskii yamamotis
Luciogobius pallidus
Luciogobius dormitoris

Appendix [Locally Threatened Population(LP)]

Salvelinus leucomaenis imbrius in western Chugoku Region
Salvelinus leucomaenis japonicus in Kii Peninsula
Oncorhynchus masou masou in Kanto Region
Oncorhynchus masou ishikawae in western Japan 
Acheilognathus tabira subsp.1 in San'in Region
Niwaella delicata in Osaka
Gasterosteus aculeatus complex in south of Fukushima
Monopterus albus in Okinawa Island
Chaenogobius laevis in Kanto Region
Luciogobius guttatus in Ryukyu Islands
Pseudogobius masago in Okinawa Island
Periophthalmus modestus in the bottom of Tokyo Bay
Periophthalmus modestus in Okinawa Island
Cottus nozawae in Tohoku Region