| Species | Name Used in Reference |
|---|---|
| Cottus kazika Jordan & Starks, 1904 | Cottus kazika (p. ) |
| Cottus pollux Günther, 1873 | Cottus pollux (p. ) |
| Lefua echigonia Jordan & Richardson, 1907 | Lefua echigonia (p. ) |
| Liobagrus reinii Hilgendorf, 1878 | Liobagrus reini (p. ) |
| Oncorhynchus masou (Brevoort, 1856) | Oncorhynchus masou masou (p. ) |
| Oryzias latipes (Temminck & Schlegel, 1846) | Oryzias latipes (p. ) |
| Salvelinus japonicus Oshima, 1961 | Salvelinus leucomaensis japonicus (p. ) |
| Salvelinus leucomaenis (Pallas, 1814) | Salvelinus leucomaenis pluvius (p. ) |
| Sicyopterus japonicus (Tanaka, 1909) | Sicyopterus japonicus (p. ) |