| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Andaman and Nicobar Islands | Sea/Bay/Gulf | native | 118627 |
| Arabian Sea | Sea/Bay/Gulf | native | 45255 |
| Bay of Bengal | Sea/Bay/Gulf | native | 11441 |
| Chilika Lake/Lagoon | Lagoon | native | 29108 |
| Ethiopian | Zoogeographic realm | native | 30573 |
| Great Lake | Lake | native | 12693 |
| Gulf of Oman | Sea/Bay/Gulf | native | 87400 |
| Gulf of Thailand | Sea/Bay/Gulf | native | 1632 |
| Indian Ocean | Sea/Bay/Gulf | native | 33390 |
| Indonesian Sea | Sea/Bay/Gulf | native | 33390 |
| Mekong | River (basin) | native | 12693 |
| Oriental | Zoogeographic realm | native | 54723 |
| Pacific Ocean | Sea/Bay/Gulf | native | 12693 |
| Persian Gulf | Sea/Bay/Gulf | native | 68964 |
| Red Sea | Sea/Bay/Gulf | native | 84159 |
| Sikao Creek | River (basin) | native | 52823 |
| South China Sea | Sea/Bay/Gulf | native | 36648 |