Invasion
Invasion Description
1st Record: Island Packers, Ventura/CA/Ventura Harbor (1994, Lambert and Lambert 1998; Lambert and Lambert 2003); Pierpoint Yacht Club, Ventura/CA/Ventura Harbor (1994, Lambert and Lambert 1998; Lambert and Lambert 2003)
Geographic Extent
Island Packers, Ventura/CA/Ventura Harbor (1994, 1995, 1996, 1997, 1998) Lambert and Lambert 1998; Lambert and Lambert 2003); Pierpoint Yacht Club, Ventura/CA/Ventura Harbor (1994, 1995, 1996, 1997, Lambert and Lambert 1998; Lambert and Lambert 2003)
Vectors
| Level | Vector |
|---|---|
| Probable | Hull Fouling |
Regional Impacts
| Ecological Impact | Competition | |
| Ciona robusta and other introduced ascidians have replaced the native species Pyura haustor and Ascidia ceratodes in southern California harbors (Lambert and Lambert 1998). | ||