| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Adma River | River (basin) | native | 89719 |
| Bagmati | River (basin) | native | 40948 |
| Brahmaputra | River (basin) | native | 41236 |
| Buxa River | River (basin) | native | 89719 |
| Chilika Lake/Lagoon | Lagoon | native | 29108 |
| Choto Jamuna | River (basin) | native | 100698 |
| Ganges | River (basin) | native | 41236 |
| Indus | River (basin) | native | 41236 |
| Jayanti River | River (basin) | native | 89719 |
| Kali Gandaki | River (basin) | native | 40948 |
| Oriental | Zoogeographic realm | endemic | 4832 |
| Salween | River (basin) | native | 12041 |