| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Benue | River (basin) | native | 13331 |
| Chad | River (basin) | native | 2703 |
| Ethiopian | Zoogeographic realm | endemic | 2915 |
| Niger | River (basin) | native | 2703 |
| Ogun | River (basin) | native | 13331 |
| Pra | River (basin) | native | 13331 |
| Senegal | River (basin) | native | 13331 |
| Upper Niger | River (basin) | native | 2756 |
| Volta | River (basin) | native | 2703 |