| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Brahmaputra | River (basin) | native | 4832 |
| Cauvery | River (basin) | native | 43636 |
| Choto Jamuna | River (basin) | native | 100698 |
| Ganges | River (basin) | native | 4832 |
| Godavari | River (basin) | native | 43636 |
| Krishna River | River (basin) | native | 43636 |
| Oriental | Zoogeographic realm | endemic | 41236 |