| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aruwimi | River (basin) | native | 106290 |
| Congo | River (basin) | native | 120641 |
| Ethiopian | Zoogeographic realm | endemic | 3203 |
| Itimbiri | River (basin) | native | 106290 |
| Kouilou-Niari | River (basin) | native | 85331 |
| Kwango | River (basin) | native | 11970 |
| Kwilu | River (basin) | native | 11970 |
| Léfini-Likouala | River (basin) | native | 85331 |
| Lindi-Tshopo | River (basin) | native | 106290 |
| Lower Congo | River (basin) | native | 85331 |
| Middle Congo | River (basin) | native | 4910 |
| Ntem | River (basin) | native | 85331 |
| Ogowe | River (basin) | native | 52344 |
| Pool Malebo | Lake | native | 41585 |
| Sanaga | River (basin) | native | 85331 |
| Sangha | River (basin) | native | 46233 |
| Tumba | Lake | native | 41580 |
| Ubangui | River (basin) | native | 45441 |