| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| Germany (Federal Republic of) | Western Baltic Sea (ICES Subdivision 22 and 24) | 1993 - 1993 | absent | 82303 | |
| Germany (Federal Republic of) | Western Baltic Sea (ICES Subdivision 22 and 24) | 1994 - 1994 | rare | 82303 | |
| Germany (Federal Republic of) | Western Baltic Sea (ICES Subdivision 22 and 24) | 1996 - 1996 | absent | 82303 | |
| England and Wales (UK) | R1 - between Flamborough Head and Winterton | 1973 - 1995 | absent | 80786 | |
| England and Wales (UK) | R2 - east coast between Winterton & North Foreland | 1973 - 1995 | absent | 80786 | |
| England and Wales (UK) | R3 - between North Foreland & Portland Bill | 1973 - 1995 | common | 80786 |