Invasion
Invasion Description
1st Record: San Diego/CA/Quivera Basin, Mission Bay (1994, 1995, 2000, Lambert and Lambert 2003)
Geographic Extent
San Diego/CA/Quivera Basin, Mission Bay (1994, 1995, 2000, Lambert and Lambert 2003); Dana Landing, San Diego/CA/Mission Bay (1995, 1996, Lambert and Lambert 2003); South Shores boat Ramp, San Diego/CA/Mission Bay (1998, Lambert and Lambert 2003); Bahia Point, San Diego/CA/Mission Bay (1998, Lambert and Lambert 2003; 2012, Tracy and Reyns 2014); Mission Bay Yacht Club, San Diego/CA/Mission Bay (1997, Lambert and Lambert 2003); Seaforth Marina, San Diego/CA/Mission Bay (2003, de Rivera et al. 2005; 2012, Tracy and Reyns 2014; 2011, California Department of Fish and Wildlife 2014; 2013, Obaza and Williams 2018); Mission Bay Yacht Club, San Diego/CA/Mission Bay (2019, Nichols et al. 2023)
Vectors
| Level | Vector |
|---|---|
| Probable | None |
Regional Impacts
| Ecological Impact | Competition | |
| The colonial tunicate Botrylloides violaceus is a recent invader of San Diego Bay. At one location in Mission Bay, in 1997 (South Shore Boat Ramp) and one in Los Angeles Harbor in 2000, it formed extensive areas of 100% cover, indicating strong competittive ability (Lambert and Lambert 2003). | ||