Invasion

Invasion Description

1st Record? England/English Channel (Alder and Hancock 1868, as S. variablilis, Van Name 1945; Kott 1985)

Geographic Extent

"south coast"/England/English Channel (Hayward and Ryland 1990; Le Havre, Normandy/France/Port du Havre (Breton et al. 1996); Carreg-yr-Afr (Bardsey, Lleyn Peninsula)/Wales/Irish Sea (1983, 52.92717N, -4.67928502397586 E, MARBEF, http://www.marbef.org/data/aphia.php?p=taxlist)