| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Arabian Sea | Sea/Bay/Gulf | native | 2872 |
| Bay of Bengal | Sea/Bay/Gulf | native | 1479 |
| Indian Ocean | Sea/Bay/Gulf | native | 3479 |
| Indonesian Sea | Sea/Bay/Gulf | native | 7050 |
| Mekong | River (basin) | misidentification | 31582 |
| Oriental | Zoogeographic realm | endemic | 4833 |
| Pacific Ocean | Sea/Bay/Gulf | native | 1479 |
| Salween | River (basin) | native | 94495 |
| South China Sea | Sea/Bay/Gulf | native | 9706 |
| Tonle Sap | Lake | misidentification | 31582 |