Invasion

Invasion Description

None

Geographic Extent

Britain/North Sea-English Channel (Newton 1931, Hardy & Guiry 2003, Perrin et al. 2007, Brodie et al. 2016, cited by Guiry and Guiry 2016); Belgium/North Sea (Coppejans & Kling 1995, cited by Guiry and Guiry 2016); Netherlands/North Sea (Stegenga & Mol 1983, cited by Guiry and Guiry 2016); Helgoland/North Sea (Bartsch & Kuhlenkamp 2000, cited by Guiry and Guiry 2016); France/English Channel (Feldmann 1954, Coppejans & Kling 1995, Billard et al. 2005, Billard et al 2006, Cerantola et al 2006, Dizerbo & Herpe 2007, Loiseaux-de Goër & Noailles 2008, Engel et al. 2008, Anon. 2012, cited by Guiry and Guiry 2016)