Invasion
Invasion Description
1st record: San Diego County/CA/Oceanside Harbor (1994, Lambert and Lambert 1998)
Geographic Extent
Santa Barbara Harbor Sailing Center/CA/Samta Barbara Channel (2020, Nichols et al. 2023); Oxnard/CA/Channel Islands Harbor (2013, Obaza amd Williams 2018); Venice/CA/Marina del Rey (2001, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014; 2013, Obaza and Williams 2018); Redondo Beach/CA/King Harbor (1997, 1998, 2000, Lambert and Lambert 2003); Impound Marina, Long Beach/CA/Long Beach Harbor (1998, 2000, Lambert and Lambert 2003; 2011, California Department of Fish and Wildlife 2014); CA/Long Beach Harbor (2017, Ruiz and Geller 2021, 1 of 10 sites); Long Beach Marina/CA/Alamitos Bay (1997, 2000, Lambert and Lambert 2003); CA/Newport Bay (2017, Ruiz and Geller 2021, 3 of 10 sites, sampled); Oceanside/CA/Oceanside Harbor (1994, 1995, 1996, 1998, 2000, Lambert and Lambert 2003; 2011, California Department of Fish and Wildlife 2014); Quivera Basin, San Diego/CA/Mission Bay (1995, 1996, 1998, Lambert and Lambert 2003); Dana Landing, San Diego/CA/Mission Bay (1994, 1997 Lambert and Lambert 2003); South Shores Boat Ramp, San Diego/CA/Mission Bay (1997, 1998, Lambert and Lambert 2003; 2012, Tracy and Reyns 2014); 2011, California Department of Fish and Wildlife 2014); Bahia Point, San Diego/CA/Mission Bay (1994, 1995, 1996, 1997, 1998, Lambert and Lambert 2003); Mission Bay Yacht Club, San Diego/CA/Mission Bay (1997, 1998, Lambert and Lambert 2003; 2012, Tracy and Reyns 2014; 2013, Obaza amd Williams 2018))); Santa Clara Boat Launch, San Diego/CA/Mission Bay (1997, 1998, Lambert and Lambert 2003); Seaforth Marina, San Diego/CA/Mission Bay (2003, de Rivera et al. 2005a; 2012, Tracy and Reyns 2014); Shelter Island, San Diego/CA/San Diego Bay (1994, 1995, 1996, 1997, 1998, 2000, Lambert and Lambert 2003); Harbor Island, San Diego/CA/San Diego Bay (1994, 1995, 1996, 1997, 1998, Lambert and Lambert 2003); Fiddlers Cove CA/San Diego Bay (1994, 1995, 1996, 1997, 1998, 2000, Lambert and Lambert 2003), J St., San Diego/CA/San Diego Bay (1994, 1995, 1996, 1998, Lambert and Lambert 2003); Chula Vista Marina, San Diego/CA/San Diego Bay (2003, de Rivera et al. 2005a); Ensenada/Mexico/Pacfic Ocean (2000, Lambert and Lambert 2003); Baja California/Mexico/Bahia San Quintin (2005, Rodriguez et al. 2008)
Vectors
Level | Vector |
---|---|
Probable | Hull Fouling |
Regional Impacts
Ecological Impact | Competition | |
Polyandrocarpa zorritensis formed 100% cover in several locations in San Diego and Mission Bays in 1994-2000, suggestive of competition (Lambert and Lambert 2003). | ||