| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Antarctica | Sea/Bay/Gulf | native | 87394 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 9 |
| Auckland Island | Sea/Bay/Gulf | native | 9 |
| Bouvet Island | Sea/Bay/Gulf | native | 1456 |
| Indian Ocean | Sea/Bay/Gulf | native | 9 |
| Macquarie Island | Sea/Bay/Gulf | native | 1456 |
| Magellanic | sea/bay/gulf | native | 9 |
| Malvinas/Falklands | Sea/Bay/Gulf | native | 1456 |
| Pacific Ocean | Sea/Bay/Gulf | native | 9 |
| South Georgia | Sea/Bay/Gulf | native | 1456 |
| Southern Ocean | sea/bay/gulf | native | 1456 |
| Subantarctic Islands | sea/bay/gulf | native | 1456 |
| Subantarctic New Zealand | sea/bay/gulf | native | 9 |
| Temperate Australasia | sea/bay/gulf | native | 9 |
| Temperate South America | sea/bay/gulf | native | 9 |
| Tristan Gough | Sea/Bay/Gulf | native | 1456 |
| Tristan Gough - province | Sea/Bay/Gulf | native | 1456 |