Species Regional Summary
Megasyllis nipponica
Pt. Conception to Southern Baja California ( NEP-VI )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Records: CA/Southern California (1997, Cohen et al. 2002); San Diego/CA/San Diego Bay (1998, Ranasinghe et al. 2005); CA/Newport Bay (1998, Ranasinghe et al. 2005)

Geographic Extent

Santa Barbara/CA/Santa Barbara Harbor (2011, California Department of Fish and Wildlife 2014); Anacapa Isle Marina, Oxnard/CA/Channel Islands Harbor (2000, Cohen et al. 2002); CA/Channel Islands Harbor (2000, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014); Port Hueneme Sportfishing, Oxnard/CA/Port Hueneme (2000, Cohen et al. 2002); CA/Port Hueneme (2000, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014; Ruiz and Geller 2021); Venice/CA/Marina del Rey (2000, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014; 2015, Ruiz and Geller 2021); CA/Los Angeles Harbor (1998, Ranasinghe et al. 2005; 2000, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014); Cabrillo Boat Ramp, Los Angeles/CA/Los Angeles Harbor (2000, Cohen et al. 2002); Watchorn Basin, Los Angeles/CA/Los Angeles Harbor (2000, Cohen et al. 2002); Newmarks Yacht Harbor, Los Angeles/CA/Los Angeles Harbor (2000, Cohen et al. 2002); Impound Marina, Long Beach/CA/Long Beach Harbor (2000, Cohen et al. 2002; 2017, Ruiz and Geller 2021); Huntington Beach/CA/Huntington Harbor (2011, California Department of Fish and Wildlife 2014); CA/Newport Bay (2001, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014; 2013, Ruiz and Geller 2021); Dana Point Harbor (2011, California Department of Fish and Wildlife 2014); Oceanside/CA/Oceanside Harbor (2011, California Department of Fish and Wildlife 2014); San Diego/CA/Mission Bay (2000, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014; 2013, Ruiz and Geller 2021)); San Diego/CA/San Diego Bay (1998, Ranasinghe et al. 2005; 2013, Ruiz and Geller 2021)

Vectors

Level Vector
Alternate Ballast Water
Alternate Hull Fouling

Regional Impacts

References

Full Reference List for Megasyllis nipponica

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