| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Benue | River (basin) | native | 13331 |
| Corubal | River (basin) | native | 13331 |
| Cross | River (basin) | native | 13331 |
| Ethiopian | Zoogeographic realm | endemic | 2915 |
| Gambia | River (basin) | native | 2915 |
| Géba | River (basin) | native | 13331 |
| Great Scarcies | River (basin) | native | 13331 |
| Kogon | River (basin) | native | 13331 |
| Konkouré | River (basin) | native | 13331 |
| Lofa | River (basin) | native | 13331 |
| Moa | River (basin) | native | 13331 |
| Niger | River (basin) | native | 2915 |
| Ouémé | River (basin) | native | 13331 |
| Rokel | River (basin) | native | 13331 |
| Sanaga | River (basin) | native | 51193 |
| Senegal | River (basin) | native | 2915 |
| Sewa | River (basin) | native | 13331 |