Invasion
Invasion Description
1st Record: Redondo Beach/CA/King Harbor (1970, Fay and Johnson 1971, cited by Carlton 1979)
Geographic Extent
Venice/CA./Marina del Rey (1994, 1995, 1996, 1997, 1998, 2000, Lambert and Lambert 2003); Venice/CA/Marina del Rey (2001, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014); Redondo Beach/CA/King Harbor (1970, Fay and Johnson 1971, cited by Carlton 1979, 1994, 1995, 1996, 1997, 1998, 2000, Lambert and Lambert 2003)
Vectors
| Level | Vector |
|---|---|
| Probable | Hull Fouling |
Regional Impacts
| Ecological Impact | Competition | |
| It and other introduced ascidians have replaced the native species Pyura haustor and Ascidia ceratodes in southern California harbors (Lambert and Lambert 1998). | ||