| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Andaman and Nicobar Islands | Sea/Bay/Gulf | native | 118627 |
| Australian | Zoogeographic realm | native | 6871 |
| Bay of Bengal | Sea/Bay/Gulf | native | 118627 |
| Chilika Lake/Lagoon | Lagoon | native | 29108 |
| Coral Sea and GBR | Sea/Bay/Gulf | native | 6871 |
| Ethiopian | Zoogeographic realm | native | 30573 |
| Gulf of Oman | Sea/Bay/Gulf | native | 47533 |
| Gulf of Thailand | Sea/Bay/Gulf | native | 1632 |
| Indian Ocean | Sea/Bay/Gulf | native | 9840 |
| Indonesian Sea | Sea/Bay/Gulf | native | 7050 |
| Lagonoy Gulf | Sea/Bay/Gulf | native | 43283 |
| Milne Bay | Sea/Bay/Gulf | native | 41464 |
| North Australian Shelf | Sea/Bay/Gulf | native | 6871 |
| Northeast Australian Shelf | Sea/Bay/Gulf | native | 6871 |
| Northwest Australian Shelf | Sea/Bay/Gulf | native | 6871 |
| Oriental | Zoogeographic realm | native | 33173 |
| Pacific Ocean | Sea/Bay/Gulf | native | 6871 |
| Palearctic | Zoogeographic realm | native | 1632 |
| Persian Gulf | Sea/Bay/Gulf | native | 47533 |
| Red Sea | Sea/Bay/Gulf | native | 84159 |
| Shark Bay | Sea/Bay/Gulf | native | 115274 |
| South China Sea | Sea/Bay/Gulf | native | 36648 |
| Sulu-Celebes Sea | Sea/Bay/Gulf | native | 280 |
| West Central Australian Shelf | Sea/Bay/Gulf | native | 115274 |