Invasion

Invasion Description

1st Record: WA/Puget Sound (1943, McCain and Ross 1974; Ross and McCain 1976, cited by Carlton 1979)

Geographic Extent

WA/Puget Sound (1943, McCain and Ross 1974; Ross and McCain 1976, cited by Carlton 1979); Shelton/WA/Oakland Bay, Puget Sound (1998, Cohen et al. 1998); La Conner Marina/WA/Skagit Bay (2003, de Rivera et al. 2005); Anacortes Marina/WA/Puget Sound (2000, Ruiz et al., unpublished data); Bremerton/WA/Puget Sound (2000, Ruiz et al., unpublished data); Port Olympia/WA/Budd Inlet, Puget Sound (2000, Ruiz et al., unpublished data); Port Townsend/WA/Puget Sound (2000, Ruiz et al., unpublished data); Seattle Shilshole Marina/WA/Puget Sound (2000, Ruiz et al., unpublished data); SERC plates/WA/Puget Sound (as S. japonica, Dick 2005)