Invasion
Invasion Description
1st Record: Anacapa Island Marina CA/Port Hueneme (1994, Lambert and Lambert 1998; Lambert and Lambert 2003)
Geographic Extent
Vintage Marina, Oxnard/CA/Channel Islands Harbor (2003, de Rivera et al. 2005); Jack's Landing/CA/Channel Islands Harbor (1997 Lambert and Lambert 1998; 2000; Lambert and Lambert 2003); Anacapa Island Marina/CA/Channel Islands Harbor, (1994, 1995, 1997, 2000, Lambert and Lambert 1998; Lambert and Lambert 2003); Oxnard/CA/Channel Islands Harbor (2001, Fairey 2002; 2011, California Department of Fish and Wildlife 2014); Oxnard/CAPort Hueneme (2001, Fairey 2002);
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). | ||