Invasion

Invasion Description

1st record: Oostend/Belgium/North Sea (type locality, Ritchie 1911; Nielsen 1989)

Geographic Extent

Oostend/Belgium/North Sea (type locality, Ritchie 1911; Nielsen 1989); Netherlands/Oosterschelde and Westerschelde (Nielsen 1989); Remdsburg/Germany/Nord-Ostsee Kanal (Nielsen 1989); Hull/England/Humber estuary (Ritchie 1911; Nielsen 1989); Port Erin/Isle of Man/Irish Sea (Ritchie 1911; Nielsen 1989); Tynemouth/England/North Sea (Ritchie 1911; Nielsen 1989)