Invasion

Invasion Description

1st record: CA/San Francisco Bay (Carlton and Zullo 1969; Carlton 1979)

Geographic Extent

Throughout the bay but most abundant in mesohaline-upper oligohaline regions. Examples: San Mateo/CA/San Francisco Bay (1900, Carlton and Zullo 1969); Alviso, Santa Clara County/CA/San Francisco Bay (1902, Carlton and Zullo 1969); Redwood City/CA/Redwood City estuary (1915, Carlton and Zullo 1969); Alameda/CA/San Francisco Bay (1913, Carlton and Zullo 1969); Oakland/CA/Oakland Harbor (1922, Carlton and Zullo 1969); Dumbarton Bridge/CA/San Francisco Bay (1922, Carlton and Zullo 1969); Crockett/CA/Carquinez Straits (1923, Carlton and Zullo 1969); cargo ship 'Florikan'/CA/Suisun Bay (Llanso et al. 2011); Rodeo/CA/San Pablo Bay (1931, Carlton and Zullo 1969); Oakland/CA/Lake Merritt (Carlton and Zullo 1969); CA/Castro Creek, San Pablo Bay (Carlton and Zullo 1969); CA/Mare Island Strait (1970, Carlton and Zullo 1969); CA/Delta-Mendota Canal (1968, Carlton and Zullo 1969); CA/Suisun Bay (1939, Carlton and Zullo 1969); Palo Alto/CA/Palo Alto Yacht Harbor (Carlton and Zullo 1969); CA/San Francisco Bay (larvae, 1978, USNM 181250, U.S. National Museum of Natural History 2002); Fruitvale Bridge, Alameda/CA/Oakland Estuary (2004, Cohen et al. 2005); Petaluma/CA/Petaluma River Turning Basin (2004, Cohen et al. 2005); Pier 39, San Francisco/CA/San Francisco Bay (2004, Cohen et al. 2005); San Leandro Marina/CA/San Francisco Bay (2004, Cohen et al. 2005); Port Sonoma/CA/San Pablo Bay (2004, Cohen et al. 2005); Rodeo Marina/CA/San Pablo Bay (2004, Cohen et al. 2005); Moore's Landing/CA/Napa River (2004, Cohen et al. 2005); CA/San Frnaicsco Bay (2012, 2013. 2014, 2015, Ruiz and Geller 2021)