Invasion

Invasion Description

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

Geographic Extent

Rodeo/CA/San Pablo Bay (1939, Barrows 1939, cited by Carlton 1979)Port Sonoma/CA/San Pablo Bay (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);