| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| Greenland | off Greenland | 1982 - 1996 | common | 80685 | |
| Norway | western Barents Sea | 2000 - 2000 | abundant | 80858 | |
| Russian Federation | Barents Sea | 1998 - 2006 | rare | 80862 | |
| Alaska | Bering Sea Shelf | 1990 - 1990 | 122396 |