Invasion

Invasion Description

1st record: CA/Elkhorn Slough (1935, Carlton 1979; Wasson et al. 2000)

Geographic Extent

CA/Bodega Harbor (2000, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014); Point Richmond/CA/San Francisco Bay (1949, Carlton 1979); ; Sierra Point Marina/CA/South San Francisco Bay (2004, Cohen et al. 2005); Pier 39, San Francisco/CA/ San Francisco Bay (2004, Cohen et al. 2005); San Francisco Bay Marina/CA/San Francisco Bay (2010, Marrafini et al. 2017); Coast Guard Island, Alameda/CA/San Francisco Bay (2004, Cohen et al. 2005); San Leandro Marina/ CA//CA/South San Francisco Bay (2004, Cohen et al. 2005; 2010, Marrafini et al. 2017); Presidio Yacht Club, San Francisco/CA/Golden Gate (2004, Cohen et al. 2005); Richmond Marina/CA/San Francisco Bay (2004, Cohen et al. 2005; ; 2010, Marrafini et al. 2017); Pete's Harbor/CA/South San Francisco Bay (2004, Cohen et al. 2005); Coyote Point Marina/CA/South San Francisco Bay (2004, Cohen et al. 2005); Brisbane/CA/Brisbane Lagoon South San Francisco Bay (2004, Cohen et al. 2005);, CA/Monterey Bay (1961, Abbot and Johnson 1972; Carlton 1979; Fairey et al. 2002); Elkhorn Slough (1935, Carlton 1979); CA/Morro Bay (1972, Abbot and Johnson 1972, Carlton 1979, Needles 2007, Needles and Wendt 2012. present historically in 1979 and/or 1986 survey, not found in 2005 survey)