Invasion
Invasion Description
1st Record: Cabrillo Beach, Los Angeles/CA/San Pedro Bay (Barnard 1950)
Geographic Extent
Cabrillo Beach, Los Angeles/CA/San Pedro Bay (Barnard 1950); Pilots Dock, Pier F, Long Beach/CA/-Long Beach Harbor (Cohen et al. 2002); Island Yacht Anchorage, Long Beach/CA/-Long Beach Harbor (2000, Cohen et al. 2002); CA/Los Angeles-Long Beach Harbors (Carlton 1979)
Vectors
| Level | Vector |
|---|---|
| Probable | Hull Fouling |
Regional Impacts
| Economic Impact | Shipping/Boating | |
| 'Very abundant' in pilings (Barnard 1950); apparently increasing the size of burrows made by gribbles (Limnoria spp.) and the erosibility of wood (Barnard 1955) | ||