Invasion

Invasion Description

1st Record: CA/San Pablo Bay, Suisun Bay (1963, unidentified but probably O. davisae, Ferrari and Orsi 1984); Type Locality: CA/Eastern shore of South San Francisco Bay (1980, Ferrari and Orsi 1984)

Geographic Extent

CA/Golden Gate, South Bay, San Pablo Bay, Suisun Bay (San Francisco Bay); Chipps Island/CA/Suisun Bay (upstream limit) (Ferrari and Orsi 1984); Bull Island/CA/Napa River (2003-2005, Bollens et al. 2014)