| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| Norway | Barents Sea | 1985 - 1985 | abundant | 117951 | |
| Norway | Barents Sea | 1987 - 1987 | abundant | 117951 | |
| Norway | Barents Sea | 1988 - 1988 | abundant | 117951 | |
| Norway | Barents Sea | 1988 - 1988 | abundant | 117951 | |
| Norway | Barents Sea | 1989 - 1989 | abundant | 117951 | |
| Norway | Barents Sea | 1989 - 1989 | abundant | 117951 | |
| Svalbard and Jan Mayen | Barents Sea marginal ice zone | 1999 - 1999 | very common | 7806 | |
| Svalbard and Jan Mayen | Barents Sea marginal ice zone | 2000 - 2000 | common | 7806 |