Invasion

Invasion Description

1st Record: CA/San Pablo Bay (1943, Miller 1968, cited by Carlton 1979)

Geographic Extent

CA/San Pablo Bay (1943, Miller 1968, cited by Carlton 1979); Oakland/CA/Lake Merritt (1963, Carlton 1979); Marin County/CA/Corte Madera Creek (1965, Carlton 1979); Petaluma/CA/Turning Basin, Petaluma River (2004, Cohen et al. 2005); Rodeo Marina/CA/San Pablo Bay (2004, Cohen et al. 2005); Napa Valley Marina/CA/Napa River (2004, Cohen et al. 2005)