Invasion

Invasion Description

1st Record: CA/Humboldt Bay (1917, California Department of Fish and Game 1917, cited by Carlton 1979)

Geographic Extent

CA/Humboldt Bay (1917, California Department of Fish and Game 1917, cited by Carlton 1979); CA/Southport Landing, Mad River Slough, Samoa Channel, Humboldt Bay (Boyd et al. 2002)