| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Antarctica | Sea/Bay/Gulf | native | 87520 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 87340 |
| Bouvet Island | Sea/Bay/Gulf | native | 91362 |
| Continental High Antarctic | sea/bay/gulf | native | 6610 |
| Heard and Macdonald Islands | Sea/Bay/Gulf | stray | 84934 |
| Magellanic | sea/bay/gulf | stray | 91362 |
| Malvinas/Falklands | Sea/Bay/Gulf | stray | 91362 |
| Pacific Ocean | Sea/Bay/Gulf | native | 5962 |
| South Georgia | Sea/Bay/Gulf | native | 91362 |
| South Orkney Islands | Sea/Bay/Gulf | native | 87340 |
| South Sandwich Islands | Sea/Bay/Gulf | native | 91362 |
| South Shetland Islands | Sea/Bay/Gulf | native | 91362 |
| Southern Ocean | sea/bay/gulf | native | 91362 |
| Subantarctic Islands | sea/bay/gulf | native | 91362 |
| Temperate South America | sea/bay/gulf | native | 5962 |