| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Arabian Sea | Sea/Bay/Gulf | native | 2872 |
| Bay of Bengal | Sea/Bay/Gulf | native | 1479 |
| Chilika Lake/Lagoon | Lagoon | native | 29108 |
| Gulf of Thailand | Sea/Bay/Gulf | native | 1632 |
| Indian Ocean | Sea/Bay/Gulf | native | 3290 |
| Indonesian Sea | Sea/Bay/Gulf | native | 7050 |
| Malacca Strait | Sea/Bay/Gulf | native | 121464 |
| Mekong | River (basin) | native | 12693 |
| Oriental | Zoogeographic realm | native | 1632 |
| Pacific Ocean | Sea/Bay/Gulf | native | 1479 |
| South China Sea | Sea/Bay/Gulf | native | 36648 |