| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Antarctica | Sea/Bay/Gulf | native | 170 |
| Indian Ocean | Sea/Bay/Gulf | native | 86525 |
| South Orkney Islands | Sea/Bay/Gulf | native | 170 |
| South Shetland Islands | Sea/Bay/Gulf | native | 170 |
| Southern Ocean | sea/bay/gulf | native | 170 |
| Temperate Australasia | sea/bay/gulf | native | 170 |
| Tristan Gough | Sea/Bay/Gulf | native | 87394 |
| Tristan Gough - province | Sea/Bay/Gulf | native | 87394 |