Species Regional Summary
Ciona robusta
_CDA_P062 (Calleguas) ( P062 )

Invasion History Vectors Impacts References

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 ImpactCompetition
Ciona robusta and other introduced ascidians have replaced the native species Pyura haustor and Ascidia ceratodes in southern California harbors (Lambert and Lambert 1998).
 

References

Full Reference List for Ciona robusta

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