Invasion

Invasion Description

1st record: Point Richmond/CA/San Francsco Bay (1953, Jones 1954, cited by Carlton 1979)

Geographic Extent

Point Richmond/CA/San Francsco Bay (1953, Jones 1954, cited by Carlton 1979); Berkeley/CA/Berkeley Yacht Harbor, San Francisco Bay (1963, Steinberg 1963, cited by Carlton 1979); Oakland/CA/Lake Merrit (1970, Carlton 1979); San Leandro/CA/ San Francisco Bay (Cohen and Carlton 1995); Sausalito/CA/ San Francisco Bay (Cohen and Carlton 1995); Napa Valley Marina/CA/Napa River (2004, Cohen et al. 2005); CA/Monterey Boat Harbor, Monterey Bay (1958, not established); CA/Elkhorn Slough (1977, Carlton 1979); Kirby Park/CA/Elkhorn Slough (1998, Wasson et al. 2001)