Invasion
Invasion Description
1st Record: Los Angeles/CA/Los Angeles-Long Beach Harbors (Mendell 1871, cited by Carlton 1979)
Geographic Extent
CA/Port Hueneme (1950, Menzies 1957); Oxnard/CA/Channel Islands Harbor (2011, California Department of Fish and Wildlife 2014, 1 specimen); Los Angeles County/CA/Marina del Rey, Santa Monica Bay (Turner et al. 1969, cited by Carlton 1979); (Los Angeles/CA/Los Angeles-Long Beach Harbors (Mendell 1871, cited by Carlton 1979); Los Angeles/CA/Los Angeles-Long Beach Harbors (1949, Menzies 1957; 2011, California Department of Fish and Wildlife 2014); Impound Marina, Long Beach/CA/Long Beach Harbor (2000, Cohen et al. 2002); Long beach/CA/Alamitos Bay (Reish 1968, cited by Carlton 1979); Anaheim/CA/Anaheim Bay and Huntington Harbor (Reish 1972, cited by Carlton 1979); Santa Catalina Island/CA/Pacific Ocean (1950, Menzies 1950); Newport Beach/CA/Newport Bay (1947, Menzies 1957); Newport Beach/CA/Newport Bay (1948, Mohr and Leveque 1948, cited by Carlton 1979); La Jolla/CA/Pacific Ocean (1949, Menzies 1957); San Diego/CA/Mission Bay (At Foot Of Gresham St., In Redwood Ladder, USNM 91754, U.S. National Museum of Natural History 2007; Wallour 1960), San Diego/CA/San Diego Bay? (1876, USNM 2286, collected by R. Hemphill, re-identifed as L. tripunctata by Menzies, U.S. National Museum of Natural History 2007); San Diego/CA/San Diego Bay (Menzies 1954, Menzies and Widrig 1955; deVos and Stock 1956; Johnson and Menzies 1956; Menzies 1961, all cited by Carlton 1979); Ensenada/Mexico/Pacific Ocean (1949, Menizeis 1957); Baja California/Mexico/San Quintin Bay (1950, Menzies 1957)
Vectors
Level | Vector |
---|---|
Probable | Hull Fouling |
Regional Impacts
Economic Impact | Shipping/Boating | |
'In Los Angeles, California, this species can reduce the life of a creosote treated piling to about 6 years instead of a possible 40 years in northern waters (Beckman et al. 1957).' | ||