Invasion

Invasion Description

1st established record: Vancouver Island/British Columbia/Straits of Georgia (Powell 1970); 1st Record: Sitka/AK/Pacific Ocean (establishment unknown, US Navy 1951, cited by Carlton, personal communication)

Geographic Extent

Sitka/AK/Pacific Ocean (establishment unknown, U. S. Navy 1951; Carlton, pers. comm.); Masset, Haida Gwai/British Columbia/Hecate Strait (2007, Gartner et al. 2016); NW Graham Island, Queen Charlotte Islands/British Columbia/Pacific Ocean (Powell 1970); Sandspit, Haida Gwai/British Columbia/Hecate Strait (2007, Gartner et al. 2016); Haida Gwai/British Columbia/Shiwlds Bay, Pacific Ocean (Gartner et al. 201); Powell River, Vancouver Island/British Columbia/Straits of Georgia (2007, Gartner et al. 2016); (2007, Gartner et al. 2016); Vancouver Island/British Columbia/Pendrell Sound, Straits of Georgia (Powell 1970); Deep Bay, Vancouver Island/British Columbia/Straits of Georgia (2007, Gartner et al. 2016); Vancouver Island/British Columbia/Nanoose Bay, Straits of Georgia (Powell 1970); French Creek, Vancouver Island/British Columbia/Straits of Georgia (2007, Gartner et al. 2016); Vancouver Island/British Columbia/Saanich Inlet, Straits of Georgia (Powell 1970); Vancouver Island/British Columbia/Nanoose Bay, Straits of Georgia (Powell 1970); Vancouver Island/British Columbia/Ladysmith Harbor, Straits of Georgia (Powell 1970; 2007, Gartner et al. 2016); Fisherman's Wharf, Victoria/British Columbia/Juan de Fuca (2010, Gartner et al. 2016); Cap Sante, Anacortes/WA/Padilla Bay (2003, de Rivera et al. 2005); Seattle/WA/Elliott Bay; WA/Puget Sound (1998, Cohen et al. 1998); Myrtle Edwards Park, Seattle/WA/Elliott Bay (17 May 2000, 47° 37' 35.897'' N; 122° 22' 20.031'' W, Salinity 27 psu, Water temperature 12°C, Cohen et al. 2001); Bell Harbor Marina,Seattle/WA/ Elliott Bay (17 May 2000, 47° 36' 36.698'' N; 122° 20' 48.790'' W, Salinity 26 psu, Water temperature 12°C, Cohen et al. 2001); Anacortes Yacht Club/WA/Puget Sound (1972, McCain and Ross 1973); Port Angeles/WA/Juan da Fuca Strait (1972, McCain and Ross 1973)