| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Congo | River (basin) | endemic | 78218 |
| Ethiopian | Zoogeographic realm | endemic | 3236 |
| Lindi-Tshopo | River (basin) | native | 106290 |
| Lower Congo | River (basin) | native | 42510 |
| Lukenie | River (basin) | native | 51686 |
| Mai-Ndombe | Lake | native | 51686 |
| Marine Lower Congo | River (basin) | native | 1879 |
| Middle Congo | River (basin) | native | 106245 |
| Pool Malebo | Lake | native | 41585 |
| Ubangui | River (basin) | native | 45441 |