| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Antarctica | Sea/Bay/Gulf | native | 3722 |
| Bouvet Island | Sea/Bay/Gulf | native | 87431 |
| Heard and Macdonald Islands | Sea/Bay/Gulf | native | 89090 |
| Indian Ocean | Sea/Bay/Gulf | native | 87431 |
| South Georgia | Sea/Bay/Gulf | native | 3722 |
| Southern Ocean | sea/bay/gulf | native | 87431 |
| Subantarctic Islands | sea/bay/gulf | native | 87431 |