| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| South Shetland Islands | North of King George Island (Drake Passage) N-1000 | 1998 - 1998 | rare | 87497 | |
| South Shetland Islands | North of King George Island (Drake Passage) N-400 | 1998 - 1998 | rare | 87497 | |
| South Shetland Islands | South of King George Island S-200 | 1998 - 1998 | rare | 87497 | |
| South Shetland Islands | South of King George Island S-800 | 1998 - 1998 | common | 87497 |