Invasion
Invasion Description
1st Record: Ventura/CA/Ventura Harbor (1994, Lambert and Lambert 2003); Pierpoint Yacht Club, Ventura/CA/Ventura Harbor (1994, Lambert and Lambert 2003)
Geographic Extent
Ventura/CA/Ventura West Harbor (2003, de Rivera et al. 2005a); Island Packers, Ventura/CA/Ventura Harbor (1994, 1996, 1997, Lambert and Lambert 2003); Pierpoint Yacht Club, Ventura/CA/Ventura Harbor (1994, 1995, 1996, 1997, 1998, 2000, Lambert and Lambert 2003)
Vectors
| Level | Vector |
|---|---|
| Probable | None |
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). | ||