Invasion
Invasion Description
1st Record: CA/Los Angeles-Long Beach Harbor (1950, Barnard 1958, through most of the harbor system);
Geographic Extent
CA/Los Angeles-Long Beach Harbor (1950, Barnard 1958, through most of the harbor system; 2011, California Department of Fish and Wildlife 2014); Huntington Beach/CA/Huntington Harbor (2011, California Department of Fish and Wildlife 2014)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Hull Fouling |
Regional Impacts
| Economic Impact | Shipping/Boating | |
| Fouling pilings, covering them with masses of tubes covered with sediment, but perhaps a benefit by discourage boring organisms. However, M. insidiosum's abundance was about 10% of M. acherusicum's (Barnard 1958). | ||
| Economic Impact | Shipping/Boating | |
| Fouling pilings, covering them with masses of tubes covered with sediment, but perhaps a benefit by discourage boring organisms. However, M. insidiosum's abundance was about 10% of M. acherusicum's (Barnard 1958). | ||