Invasion
Invasion Description
1st Record: Port San Luis/CA/Pacific Ocean (1987, McDonald and Koehn 1988)
Geographic Extent
Port San Luis/CA/Pacfic Ocean (1987, McDonald and Koehn 1988); Point San Luis/CA/Pacfic Ocean (1990, Sarver and Foltz 1993); Hazard Beach/CA/Pacific Ocean (1990, Sarver and Foltz 1993)
Vectors
| Level | Vector |
|---|---|
| Alternate | Hull Fouling |
| Alternate | Ballast Water |
Regional Impacts
| Ecological Impact | Competition | |
| Mytilus galloprovincialis continues to compete with and dominate native M. trossulus south of Monterey Bay (McDonald et al. 1991; Hilbish et al. 2010). See the bioregion discussion for details. | ||
| Ecological Impact | Hybridization | |
| Extensive hybridization between Mytilus galloprovincialis with native M. trossulus continues to occur south of Monterey Bay (McDonald et al. 1991; Hilbish et al. 2010). | ||