| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Banio | River (basin) | native | 81643 |
| Chiloango | River (basin) | native | 81643 |
| Congo | River (basin) | native | 78218 |
| Cuanza | River (basin) | native | 81643 |
| Ethiopian | Zoogeographic realm | endemic | 3570 |
| Kouilou-Niari | River (basin) | native | 81643 |
| Loémé | River (basin) | native | 81643 |
| Marine Lower Congo | River (basin) | native | 43912 |
| Ogowe | River (basin) | native | 81643 |