Invasion
Invasion Description
1st Record: Watchorn Marina, Long Beach/CA/Long Beach Harbor (1994, 2000 Lambert and Lambert 2003)
Geographic Extent
Huntington Beach/CA/Huntington Harbor (2001, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014; 2013, Obaza and Williams 2018; 2018, Beshai et al. 2022); Long Beach Marina/CA/Alamitos Bay (1998, 200; 2013, Obaza and Williams 2018); Impound Marina, Long Beach/CA/Long Beach Harbor (1995, 1996, 2000, Lambert and Lambert 2003); Long Beach/CA/Long Beach Harbor (2001, Fairey et al. 2002; 2017, Ruiz and Geller 2021, 5 of 10 sites)); Watchorn Marina, Los Angeles/CA/Los Angeles Harbor (1994, 2000 Lambert and Lambert 2003); Los Angeles/CA/Los Angeles Harbor (2001, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014; 2013, Obaza and Williams 2018); Alamitos Bay Marina Basin, Long Beach (2019, Nichols et al. 2023(
Vectors
| Level | Vector |
|---|---|
| Probable | Hull Fouling |
Regional Impacts
| Ecological Impact | Competition | |
| The colonial tunicate Botrylloides violaceus is a recent invader of San Diego Bay. At two locations, in Mission Bay, in 1997, and in Los Angeles Harbor (Watchorn Marina) in 2000, it formed extensive areas of 100% cover, indicating strong compeition (Lambert and Lambert 2003). | ||