| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Antarctica | Sea/Bay/Gulf | native | 87340 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 90050 |
| Heard and Macdonald Islands | Sea/Bay/Gulf | native | 89090 |
| Indian Ocean | Sea/Bay/Gulf | native | 87480 |
| Kermadec Island | Sea/Bay/Gulf | native | 91400 |
| Magellanic | sea/bay/gulf | native | 1202 |
| Malvinas/Falklands | Sea/Bay/Gulf | native | 90050 |
| Pacific Ocean | Sea/Bay/Gulf | native | 91400 |
| Patagonian Shelf | Sea/Bay/Gulf | native | 90050 |
| South Georgia | Sea/Bay/Gulf | native | 90050 |
| South Orkney Islands | Sea/Bay/Gulf | native | 87340 |
| South Shetland Islands | Sea/Bay/Gulf | native | 90050 |
| Southern Ocean | sea/bay/gulf | native | 90050 |
| Strait of Magellan | Sea/Bay/Gulf | native | 93292 |
| Subantarctic Islands | sea/bay/gulf | native | 89090 |
| Temperate South America | sea/bay/gulf | native | 1202 |
| Weddell Sea | Sea/Bay/Gulf | native | 116836 |