| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Congo | River (basin) | native | 51193 |
| Cross | River (basin) | native | 57126 |
| Ethiopian | Zoogeographic realm | endemic | 7324 |
| Itimbiri | River (basin) | native | 46861 |
| Kwa-Ibo | River (basin) | native | 57126 |
| Kwilu | River (basin) | native | 41590 |
| Lomami | River (basin) | native | 46861 |
| Lower Niger | River (basin) | native | 57126 |
| Lukenie | River (basin) | native | 41591 |
| Middle Congo | River (basin) | native | 41590 |
| Niger | River (basin) | native | 57126 |
| Niger Delta | River (basin) | native | 57126 |
| Ogowe | River (basin) | questionable | 81642 |
| Ogun | River (basin) | native | 57126 |
| Ouémé | River (basin) | native | 57126 |
| Pool Malebo | Lake | native | 41585 |
| Rio del Rey | River (basin) | native | 81642 |
| Sanaga | River (basin) | native | 81642 |
| Sangha | River (basin) | native | 51193 |
| Tumba | Lake | questionable | 41580 |
| Wouri | River (basin) | native | 81642 |