Invasion

Invasion Description

None

Geographic Extent

Germany/Wadden Sea (McDonald et al. 1991, molecular identification); Netherlands/North Sea (McDonald et al. 1991, molecular identification); Yerseke/Netherlands/North Sea (Smietanka et al. 2004, Mytilus edulis, Mytilus galloprovinciallis and hybrids, molecular identification); Netherlands/Rhine Delta (Wolff 1973); Giants' Causeway/Northern Ireland/North Channel (Smietanka et al. 2004., M. edulis, M. galloprovinciallis and hybrids, molecular identification)