Invasion

Invasion Description

1st Record: North Sea (1947, Cattley and Hunting 1947, cited by Johns et al. 2005, single record, established after 1990)

Geographic Extent

North Sea (1947, Cattley and Hunting 1947, cited by Johns et al. 2005, single record); Germany/Helgoland Roads, North Sea, (5411¢18¢¢N 754 E); Denmark-England/North Sea (2002-2003, Johns et al. 2005); 'west of the Orkney Isles'/Scotland/North Sea (2002, 59 N, 4 W, Johns 2005)