| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| Germany (Federal Republic of) | Western Baltic Sea (ICES Subdivision 22 and 24) | 2000 - 2000 | abundant | 82151 | |
| Germany (Federal Republic of) | Western Baltic Sea (ICES Subdivision 22 and 24) | 2001 - 2001 | common | 82151 | |
| Germany (Federal Republic of) | Western Baltic Sea (ICES Subdivision 22 and 24) | 2002 - 2002 | very common | 82151 |