Invasion

Invasion Description

1st Record: CA/Monterey Bay (1899, ANSP 77112, failed); CA/Elkhorn Slough (Burch 1945, cited by Carlton 1979);

Geographic Extent

CA/Monterey Bay (1899, ANSP 77112, failed); CA/Elkhorn Slough (Burch 1945, cited by Carlton 1979; Locally extinct? Wasson et al. 2001; establishment unknown)