Invasion

Invasion Description

1st Record: CA/San Francisco Bay (1986, Cohen and Carlton 1995)

Geographic Extent

CA/Tomales Bay (2001, Fairey et al. 2002); CA/Grizzly Bay-South Bay, San Pablo Bay (Cohen and Carlton 1995, commonly abundant, 1987-2003. Peterson 2010); Tiburon/CA/San Francisco Bay (1993, Cohen and Carlton 1995); Pier 39, San Francisco/CA/San Francisco Bay (2004, Cohen et al. 2005); Presidio Yacht Club, San Francisco/CA/Golden Gate (2004, Cohen et al. 2005); 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); Fresh-Brackish-Estuarine Transition (Suisun-San Pablo, mean salinity 4.9 PSU) to Marine Muddy (South and Central Bays, mean salinity 27.5 PSU, highest abundance, Lee et al. 2003)