Invasion

Invasion Description

1st Record: Lule Skärgård arkipelago, Islands of Långön and Sandgrunnan/Sweden/Gulf of Bothnia (1946, Drotz et al. 2010)

Geographic Extent

Oulu/Finland/Gulf of Bothnia (2004, Ojaveer et al. 2007); Skelleftea/Sweden/Gulf of Bothnia (2004, Ojaveer et al. 2007)