| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Agnébi | River (basin) | native | 272 |
| Bandama | River (basin) | native | 13331 |
| Bia | River (basin) | native | 30488 |
| Chiloango | River (basin) | native | 120641 |
| Congo | River (basin) | native | 1879 |
| Corubal | River (basin) | native | 13331 |
| Cross | River (basin) | native | 271 |
| Ethiopian | Zoogeographic realm | endemic | 2915 |
| Gambia | River (basin) | native | 13331 |
| Géba | River (basin) | native | 13331 |
| Great Scarcies | River (basin) | native | 13331 |
| Kogon | River (basin) | native | 13331 |
| Konkouré | River (basin) | native | 13331 |
| Little Scarcies | River (basin) | native | 13331 |
| Lofa | River (basin) | native | 13331 |
| Marine Lower Congo | River (basin) | native | 1879 |
| Moa | River (basin) | native | 13331 |
| Mono | River (basin) | native | 13331 |
| Niger | River (basin) | native | 13331 |
| Ogun | River (basin) | native | 13331 |
| Ouémé | River (basin) | native | 13331 |
| Rokel | River (basin) | native | 13331 |
| Saint John | River (basin) | native | 13331 |
| Saint Paul | River (basin) | native | 13331 |
| Sanaga | River (basin) | native | 51193 |
| Senegal | River (basin) | native | 2915 |
| Sewa | River (basin) | native | 13331 |
| Wagenia Falls | River (basin) | questionable | 1879 |