Invasion

Invasion Description

None

Geographic Extent

Widely distributed on all coasts of Britain. Widely separated records in Ireland. (Marlin 2016); near Newburgh/Scotland/Ythan estuary (Lawrie et al. 2000); Wales/River Clettwr estuary (Mills and Fish 1979); England/Stour estuary, Eng/ish Channel (Buckley et al. 2004); England/River Crouch estuary, English Channel (Gerdol and Hughes 1994); Netherlands/Oosterscheldt (Wolff 1973, marine, less abundant); Netherlands/Rhine Delta, Krammer-Volkerak area, the Eendracht and the Haringvliet t (Wolff 1973, brackish, more abundant); Ho Bugt/Denmark/North Sea (1952, USNM 138923, U.S. National Museum of Natural History 2016); 100 Ms W Of Village Slack/France/River La Slack, Pas De Calais/, English Channel (USNM138922, U.S. National Museum of Natural History 2016)