| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Bagmati | River (basin) | native | 9496 |
| Brahmaputra | River (basin) | native | 41236 |
| Ganges | River (basin) | native | 41236 |
| Kali Gandaki | River (basin) | native | 40948 |
| Karnali | River (basin) | native | 40948 |
| Kosi | River (basin) | native | 9496 |
| Oriental | Zoogeographic realm | endemic | 41236 |