| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Amundsen/Bellingshausen Sea | Sea/Bay/Gulf | native | 1753 |
| Antarctica | Sea/Bay/Gulf | native | 3373 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 1753 |
| Channels and Fjords of Southern Chile | Sea/Bay/Gulf | native | 3373 |
| Continental High Antarctic | sea/bay/gulf | native | 1753 |
| East Antarctic Dronning Maud Land | Sea/Bay/Gulf | native | 1753 |
| East Antarctic Wilkes Land | Sea/Bay/Gulf | native | 1753 |
| Indian Ocean | Sea/Bay/Gulf | native | 87398 |
| Magellanic | sea/bay/gulf | native | 3373 |
| Malvinas/Falklands | Sea/Bay/Gulf | native | 87398 |
| North Patagonian Gulfs | Sea/Bay/Gulf | native | 87398 |
| Pacific Ocean | Sea/Bay/Gulf | native | 87398 |
| South Georgia | Sea/Bay/Gulf | native | 3435 |
| South Orkney Islands | Sea/Bay/Gulf | native | 3435 |
| South Sandwich Islands | Sea/Bay/Gulf | native | 3435 |
| South Shetland Islands | Sea/Bay/Gulf | native | 1753 |
| Southern Ocean | sea/bay/gulf | native | 3435 |
| Strait of Magellan | Sea/Bay/Gulf | native | 3373 |
| Temperate South America | sea/bay/gulf | native | 87398 |
| Weddell Sea | Sea/Bay/Gulf | native | 87399 |