Invasion
Invasion Description
1st Records: off Ventura/CA/Pacific Ocean (1994, Cadien and Ranasinghe 2003)
Geographic Extent
off northern Channel Islands (1998, Cadien and Ranasinghe 2003); Santa Barbara Point/CA/Pacific Ocean (2000, Krug et al. 2012); off Ventura/CA/Pacific Ocean (1994, Cadien and Ranasinghe 2003); Oxnard/CA/Channel Islands Harbor (1998, Ranasinghe et al. 2005; 2011, California Department of Fish and Wildlife 2014); Oxnard/CA/Port Hueneme (2011, California Department of Fish and Wildlife 2014); CA/Los Angeles-Long beach Harbors (Carver in Australian Museum 1999); off Paloverde Peninsula/CA/Pacific Ocean (1995, Cadien and Ranasinghe 2003, 27-137 m depth); CA/Los Angeles-Long Beach Harbors (1998, Ranasinghe et al. 2005; Krug et al. 2012); Los Angeles/San Pedro Bay-Pacific Ocean (Cadien and Ranasinghe 2003); Anaheim/CA/Anaheim Bay (2005, Krug et al. 2012); CA/Newport Bay (1998; Ranasinghe et al. 2005); CA/Mission Bay (Behrens 2004); San Diego/CA/offshore in Pacific Ocean (Cadien and Ranasinghe 2003); San Diego/CA/San Diego Bay (Cadien and Ranasinghe 2003)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Natural Dispersal |
Regional Impacts
| Ecological Impact | Predation | |
| The increase in populations of P. aurifornis off the Palos Verde peninsula was accompanied by a decrease in the abundance of the small bivalves Parvilucina tenuisculpta and Axinopsida serricata (Cadien and Ranasinghe 2003). | ||