| Ecosysteem | Type | Status | Ref. |
|---|---|---|---|
| Chiloango | River (basin) | native | 41597 |
| Congo | River (basin) | native | 91771 |
| Ethiopian | Zoogeographic realm | endemic | 41597 |
| Kouilou-Niari | River (basin) | native | 53765 |
| Marine Lower Congo | River (basin) | native | 12818 |
| Ubangui | River (basin) | questionable | 94857 |