Invasion

Invasion Description

1st Record: CA/San Francisco Bay (1901 Doe 1901, cited by Carlton 1979)

Geographic Extent

CA/San Francisco Bay (1901, Doe 1901, cited by Carlton 1979); Contra Costa County/CA/San Pablo Bay (1951, CAS IZ 125480, California Academy of Sciences 2013); off Hunter's Point north/CA/San Francisco (2001, CAS IZ 155211, California Academy of Sciences 2013); Oakland/CA/Lake Merritt (1967. Carlton 1979); Fruitvale Bridge, Oakland/CA/San Francisco Bay (2004, Cohen, et al. 2005); Alameda County:off Oakland Airport/CA/South San Francisco Bay (2001, CAS IZ 12557, California Academy of Sciences 2013); Coyote Point/CA/South San Francisco Bay (1972, Carlton 1979; 2004, Cohen et al. 2005); Pete's Harbor/CA/South San Francisco Bay (2004, Cohen et al. 2005); off Potrero Point/CA/San Francisco Bay (2002, CAS IZ, California Academy of Sciences 2013, from large rusty metal object tangled in trawl); 3 marinas/CA/San Francisco Bay (2014, Ruiz and Geller 2018)