| Ecosistema | Tipo | Status | Fonte Biblio. |
|---|---|---|---|
| Bioko | River (basin) | native | 81680 |
| Chiloango | River (basin) | native | 120641 |
| Cuanza | River (basin) | native | 81680 |
| Ethiopian | Zoogeographic realm | endemic | 4127 |
| Gambia | River (basin) | native | 28587 |
| Kouilou-Niari | River (basin) | native | 81680 |
| Sanaga | River (basin) | native | 51193 |