| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Bagmati | River (basin) | native | 6351 |
| Brahmaputra | River (basin) | native | 120895 |
| Choto Jamuna | River (basin) | native | 100698 |
| Ganges | River (basin) | native | 120895 |
| Indus | River (basin) | native | 37000 |
| Irrawaddy | River (basin) | native | 94495 |
| Kabul | River (basin) | native | 41033 |
| Karnali | River (basin) | native | 6351 |
| Kosi | River (basin) | native | 6351 |
| Krishna River | River (basin) | native | 43636 |
| Oriental | Zoogeographic realm | endemic | 12076 |
| Salween | River (basin) | native | 26580 |