n = 9
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Butis ambionensis | (Bleeker, 1853) | Butis amboinensis | Butidae | Olive flathead-gudgeon |
| Butis amboinensis | (Bleeker, 1853) | Butis amboinensis | Butidae | Olive flathead-gudgeon |
| Butis butis | (Hamilton, 1822) | Butis butis | Butidae | Duckbill sleeper |
| Butis caperatus | (Cantor, 1849) | Butis koilomatodon | Butidae | Mud sleeper |
| Butis gymnopomus | (Bleeker, 1853) | Butis gymnopomus | Butidae | |
| Butis humeralis | (Valenciennes, 1837) | Butis humeralis | Butidae | |
| Butis koilomatodon | (Bleeker, 1849) | Butis koilomatodon | Butidae | Mud sleeper |
| Butis melanostigma | (Bleeker, 1849) | Butis melanostigma | Butidae | Black-spotted gudgeon |
| Butis prismatica | (Bleeker, 1849) | Genus Species | New species |