Invasion

Invasion Description

1st Record: Oakland/CA/San Francisco Bay (Carlton 1979; establishment uncertain, Cohen and Carlton 1995)

Geographic Extent

Oakland/CA/San Francisco Bay (Carlton 1979; establishment uncertain, Cohen and Carlton 1995); Treasure Island/CA/San Francisco Bay (1993, Hobbs et al. 2015); Presidio Yacht Club, San Francisco/CA/San Francisco Bay (2004, Hobbs et al. 2004); Fort Baker, Sausolito/CA/Golden Gate (2004, Hobbs et al. 2004); Richmond/CA/CA/San Francisco Bay (2004, Hobbs et al. 2004) Coyote Point Marina/CA/South San Francisco Bay (2005, Foss 2009); San Mateo/CA/South San Francisco Bay (2005, Foss 2009); Point Arena/CA/Pacific Ocean (2004, Maloney et al. 2006); Purisima Point /CA/Pacific Ocean (2004, Maloney et al. 2006); CA/Elkhorn Slough (Heiman et al. 2010); Moss Landing/CA/Elkhorn Slough (2002, Heiman et al. 2010, 3 specimens; Hobbs et al., established)