| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| Ireland | Rockall Trough (1000 m depth zone) | 1991 - 1991 | absent | 81170 | |
| Ireland | Rockall Trough (1250 m depth zone) | 1991 - 1991 | absent | 81170 | |
| Ireland | Rockall Trough (1500 m depth zone) | 1991 - 1991 | absent | 81170 | |
| Ireland | Rockall Trough (1750 m depth zone) | 1991 - 1991 | absent | 81170 | |
| Ireland | Rockall Trough (500 m depth zone) | 1991 - 1991 | common | 81170 | |
| Ireland | Rockall Trough (750 m depth zone) | 1991 - 1991 | common | 81170 |