| Ekosystem | Typ | Status | Ref. |
|---|---|---|---|
| Cauvery | River (basin) | native | 43636 |
| Chilika Lake/Lagoon | Lagoon | native | 29108 |
| Choto Jamuna | River (basin) | native | 100698 |
| Gaylegphug | River (basin) | native | 40882 |
| Krishna River | River (basin) | native | 43636 |
| Mekong | River (basin) | questionable | 12975 |
| Oriental | Zoogeographic realm | endemic | 4833 |