| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Chiloango | River (basin) | native | 81260 |
| Congo | River (basin) | native | 55074 |
| Ethiopian | Zoogeographic realm | endemic | 5163 |
| Kouilou-Niari | River (basin) | native | 81260 |
| Lower Congo | River (basin) | native | 55074 |
| Marine Lower Congo | River (basin) | native | 55074 |
| Nkomi | River (basin) | native | 81260 |
| Nyanga | River (basin) | native | 81260 |
| Ogowe | River (basin) | native | 55074 |
| Pool Malebo | Lake | questionable | 81260 |
| Ruki | River (basin) | native | 93897 |