| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Boubo | River (basin) | native | 81259 |
| Cacheu | River (basin) | native | 81259 |
| Congo | River (basin) | native | 26277 |
| Cross | River (basin) | native | 81259 |
| Ethiopian | Zoogeographic realm | endemic | 7397 |
| Gambia | River (basin) | native | 78745 |
| Marine Lower Congo | River (basin) | native | 26277 |
| Ogowe | River (basin) | native | 81625 |
| Sanaga | River (basin) | native | 38974 |