Cottus
Animalia 動物界
Chordata 脊索動物門
Osteichthyes 硬骨魚綱
Scorpaeniformes カサゴ目
Cottidae カジカ科
Cottus amblystomopsis
Cottus hangiongensis
Cottus kazika
Cottus nozawae
Cottus pollux (LE, East Japan)
Cottus pollux complex (landlocked)
Cottus reinii
Cottus sp. (ME)
Cottus sp. (ME-LE, West Japan, anadromous)
Cottus sp. (ME-LE, West Japan, landlocked)
Cottus sp./reinii (SE-ME, anadromous)