| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Adma River | River (basin) | native | 89719 |
| Buxa River | River (basin) | native | 89719 |
| Chao Phraya River | River (basin) | native | 27732 |
| Chilika Lake/Lagoon | Lagoon | native | 29108 |
| Ganges | River (basin) | native | 27732 |
| Jayanti River | River (basin) | native | 89719 |
| Kosi | River (basin) | native | 40948 |
| Manas | River (basin) | native | 40882 |
| Mekong | River (basin) | native | 27732 |
| Oriental | Zoogeographic realm | endemic | 41236 |
| Red River | River (basin) | native | 26563 |
| Salween | River (basin) | native | 26336 |