| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Bengo | River (basin) | native | 120641 |
| Chiloango | River (basin) | native | 120641 |
| Congo | River (basin) | native | 74387 |
| Cuanza | River (basin) | questionable | 120641 |
| Ethiopian | Zoogeographic realm | endemic | 5163 |
| Marine Lower Congo | River (basin) | native | 74387 |
| Ogowe | River (basin) | native | 81651 |