Invasion

Invasion Description

1st Record: San Francisco Municipal Marina/CA/San Francisco Bay (1962, Behrens 1971, cited by Carlton 1979)

Geographic Extent

San Francisco Municipal Marina/CA/San Francisco Bay (1962, Behrens 1971, cited by Carlton 1979); Redwood City/CA/South San Francisco Bay (1974, Behrens and Tule 1977, cited by Carlton 1979); 'on boat floats and docks and silt-clay bottoms throughout the Bay'/CA/San Francisco Bay (Cohen and Carlton 1995); San Mateo County/CA/Petes' Harbor, San Francisco Bay (California Academy of Sciences 2002); Port of Oakland/CA/San Francisco Bay (2000, Ruiz et al., unpublished data); Treasure Island/CA/San Francisco Bay (2000, Ruiz et al., unpublished data); floating dock near clubhouse, Marin County/CA/Golden Gate (CAS:IZ:169826, California Academy of Sciences 2014); CA/Richardson Bay (1991, CAS:IZ:74717, California Academy of Sciences 2014)