| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aruwimi | River (basin) | native | 106290 |
| Congo | River (basin) | native | 4910 |
| Cross | River (basin) | native | 81635 |
| Ethiopian | Zoogeographic realm | endemic | 2915 |
| Lindi-Tshopo | River (basin) | native | 106290 |
| Marine Lower Congo | River (basin) | native | 1878 |
| Middle Congo | River (basin) | native | 4910 |
| Mono | River (basin) | native | 28663 |
| Ntem | River (basin) | questionable | 81635 |
| Ogun | River (basin) | native | 31256 |
| Ouémé | River (basin) | native | 28663 |
| Sangha | River (basin) | native | 51193 |
| Volta | River (basin) | native | 2915 |
| Wouri | River (basin) | native | 81635 |