| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Congo | River (basin) | questionable | 51193 |
| Cross | River (basin) | native | 57127 |
| Ethiopian | Zoogeographic realm | endemic | 7351 |
| Kwa-Ibo | River (basin) | native | 57127 |
| Lower Niger | River (basin) | native | 57127 |
| Niger | River (basin) | native | 57127 |
| Nyong | River (basin) | native | 81643 |
| Ogowe | River (basin) | misidentification | 81643 |
| Ogun | River (basin) | native | 13331 |
| Oshun | River (basin) | questionable | 43912 |
| Sanaga | River (basin) | native | 81643 |
| Sangha | River (basin) | questionable | 51193 |
| Wouri | River (basin) | native | 81643 |