| 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 | common | 7806 | |
| Svalbard and Jan Mayen | Barents Sea marginal ice zone | 1999 - 1999 | abundant | 7806 | |
| Alaska | Beaufort Sea | 2012 - 2014 | rare | 118138 | |
| Russian Federation | Central Kara Sea | 2012 - 2012 | rare | 120297 | |
| Alaska | Chukchi Sea | 2004 - 2004 | extremely abundant | 118514 | |
| Alaska | Chukchi Sea | 2009 - 2009 | rare | 118514 | |
| Alaska | Chukchi Sea | 2010 - 2010 | absent | 118514 | |
| Alaska | Chukchi Sea | 2012 - 2012 | extremely abundant | 118514 | |
| Russian Federation | Novaya Zemlya Archipelago | 2012 - 2012 | rare | 120297 | |
| Russian Federation | Ob Shallow | 2012 - 2012 | absent | 120297 |