Invasion

Invasion Description

1st Record: CA/San Francisco Bay (1990s, Cohen and Carlton 1995, establishment unknown; Foss 2009, established)

Geographic Extent

CA/San Francisco Bay (1990s, Cohen and Carlton 1995, establishment unknown; Foss 2009, established); San Mateo County/CA/Redwood Creek, 9/7/2005, Foss 2009) Alameda Point Naval Air Station/CA/Sea Plane Lagoon (6/8/2005, Foss 2009); Marin County/CA/Richardson Bay 6/9/2005, Foss 2007); Richmond/CA/Santa Fe Channel -(106//2005, Steve Foss 2009)