Invasion

Invasion Description

1st Record: Glenan Islands and Concareau, Brittany/France/Bay of Biscay (1946, Goulletquer et al. 2002)

Geographic Extent

Glenan Islands and Concareau, Brittany/France/Bay of Biscay (1946, Goulletquer et al. 2002); continuous on coast of Brittany/France/Atlantic Ocean (Stiger-Pouvreau and Thouzeau 2015); Jersey, and Guernsey/Channel Islands/English Channel (1st record 1961, 2004, Trowbridge and Farnham 2009)