Invasion

Invasion Description

None

Geographic Extent

Channel Islands, Guernsey Island/United Kingdom/English Channel (USNM 224824, U.S. Museum of Natural History 2002); Dinard/France/Golfe de St. Malo (USNM 611640, U.S. Museum of Natural History 2002); Nantes, Pays de Loire/France/Loire River estuary (USNM 75568 , U.S. Museum of Natural History 2002)