Invasion

Invasion Description

1st Record: Newport Beach/CA/Newport Bay (MacGinitie 1939, cited by Carlton 1979)

Geographic Extent

Newport Beach/CA/Newport Bay (MacGinitie 1939, cited by Carlton 1979; Fairey et al. 2002; California Department of Fish and Wildlife 2014; 2013, Obaza and Williams 2018); Newport Beach/CA/Newport Bay (from sailboat hull, Davidson and Haygood 1999, invasive genotype S, identified by molecular methods; 2017, Ruiz and Geller 2021, 10 of 10 sites)