n = 12
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Lefua andrewsi | Fowler, 1922 | Lefua costata | Nemacheilidae | Eightbarbel loach |
| Lefua costata | (Kessler, 1876) | Lefua costata | Nemacheilidae | Eightbarbel loach |
| Lefua costata costata | (Kessler, 1876) | Lefua costata | Nemacheilidae | Eightbarbel loach |
| Lefua costata nikkonis | (Jordan & Fowler, 1903) | Lefua nikkonis | Nemacheilidae | |
| Lefua echigonia | Jordan & Richardson, 1907 | Lefua echigonia | Nemacheilidae | |
| Lefua hoffmanni | Herre, 1932 | Genus Species | New species | |
| Lefua nikkonis | (Jordan & Fowler, 1903) | Lefua nikkonis | Nemacheilidae | |
| Lefua pleskei | (Herzenstein, 1888) | Lefua pleskei | Nemacheilidae | |
| Lefua sayu | (Herre & Lin, 1936) | Lefua sayu | Nemacheilidae | |
| Lefua sp. | Not applicable | Lefua torrentis | Nemacheilidae | |
| Lefua tokaiensis | Ito, Hosoya & Miyazaki, 2019 | Genus Species | New species | |
| Lefua torrentis | Hosoya, Ito & Miyazaki, 2018 | Lefua torrentis | Nemacheilidae |