| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Congo | River (basin) | questionable | 47311 |
| Cuanza | River (basin) | native | 47311 |
| Ethiopian | Zoogeographic realm | endemic | 27139 |
| Kasai | River (basin) | questionable | 47311 |
| Kunene | River (basin) | native | 52193 |
| Okavango | River (basin) | questionable | 47311 |