| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Adma River | River (basin) | native | 89719 |
| Buxa River | River (basin) | native | 89719 |
| Choto Jamuna | River (basin) | native | 100698 |
| Da River | River (basin) | native | 89724 |
| Jayanti River | River (basin) | native | 89719 |
| Mekong | River (basin) | native | 37773 |
| Oriental | Zoogeographic realm | endemic | 43634 |
| Yangtze | River (basin) | native | 38003 |