| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Banio | River (basin) | native | 81638 |
| Benue | River (basin) | native | 13331 |
| Chiloango | River (basin) | native | 81638 |
| Congo | River (basin) | native | 2936 |
| Cross | River (basin) | native | 51193 |
| Ethiopian | Zoogeographic realm | endemic | 2936 |
| Kouilou-Niari | River (basin) | native | 81638 |
| Loémé | River (basin) | native | 81638 |
| Marine Lower Congo | River (basin) | native | 94734 |
| Niger | River (basin) | native | 86396 |
| Ogowe | River (basin) | native | 81638 |
| Ogun | River (basin) | native | 86396 |
| Ouémé | River (basin) | native | 86396 |
| Sanaga | River (basin) | native | 51193 |