Invasion

Invasion Description

1st Record: CA/Newport Bay (1944, Scheer 1945, cited by Carlton 1979)

Geographic Extent

CA/Newport Bay (1944, Scheer 1945, cited by Carlton 1979; Osburn 1952, cited by Carlton 1979; 2000, Fairey et 2002; 2011, California Department of Fish and Wildlife 2014; 2017, Ruiz and Geller 2021, 10 of 10 sites sampled)