Invasion

Invasion Description

1st Record: Oakland/CA/South San Francisco Bay (1977, Carlton 1979)

Geographic Extent

Oakland/CA/South San Francisco Bay (Carlton 1979); Richmond/CA/San Francisco Bay (1994, Cohen and Carlton 1995); San Mateo Bridge Pylon/CA/South San Francisco Bay (Cohen and Chapman 2005); San Leandro Marina/CA/South San Francisco Bay (2004, Cohen et al. 2005); Presidio Yacht Club, San Fracisco/CA/Golden Gate (2004, Cohen et al. 2005)