Invasion

Invasion Description

Assumed to have invaded at about the same time as the 1st record in Central San Francisco Bay.

Geographic Extent

CA/San Rafael Creek (1970, Carlton 1979); CA/Corte Madera Creek (1970, Carlton 1979); CA/Foster City Lagoons (1970, Carlton 1979); Petaluma Turning Basin/CA/Petaluma River (1993, Cohen and Carlton 1995; 2004, Cohen et al. 2005); Port San Pablo/CA/San Pablo Bay (2004, Cohen et al. 2005); Napa Valley Marina/CA/Napa River (2004, Cohen et al. 2005); Moore's Landing/CA/Napa River (2004, Cohen et al. 2005)