Invasion

Invasion Description

1st Record: CA/Newport Bay (1957, Allan Hancock Foundation, cited by Carlton 1979, associated with the isopod Sphaeroma quoianum)

Geographic Extent

CA/Newport Bay (1957, Allan Hancock Foundation, cited by Carlton 1979); CA/Newport Bay, South Side Of Upper Bay (1976, USNM 280121, U.S. National Museum of Natural History 2007); CA/San Diego Bay (1973, Carlton and Iverson 1979; Carlton 1979); Imperial Beach, Near 10 And Cherry Sts./CA/San Diego Bay (1975, USNM 280117, U.S. National Museum of Natural History 2007); Chula Vista, Beached Wooden Barge Between G And J Streets/CA/San Diego Bay (1976, USNM 280119, U.S. National Museum of Natural History 2007)