Invasion
Invasion Description
1st Record: Newport Beach/CA/Newport Bay (1966, Abbott and Johnson 1972)
Geographic Extent
Newport Beach/CA/Newport Bay (1966, Abbott and Johnson 1972); Newport Beach/CA/Newport Harbor 1994, 1995, 1996, 1997, Lambert and Lambert 2003); Newport Beach/CA/Newport Harbor 2001, Fairey et al. 2002; 2011, California Department of Fish and Wildlife 2014; 2017, Ruiz and Geller 2021, 7 of 10 sites sampled)
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). | ||