Invasion
Invasion Description
1st Record: Oakland/CA/Lake Merritt (San Francisco Bay, Jones 1940, cited by Carlton 1979)
Geographic Extent
Oakland/CA/Lake Merritt (San Francisco Bay, Jones 1940, cited by Carlton 1979, not found since 1960s, Cohen and Carlton 1995); CA/Sacramento-San Joaquin Delta to San Pablo Bay (Cohen and Carlton 1995); CA/San Joaquin River (Laughlin and French 1989); CA/Delta-Mendota Canal (Cohen and Carlton 1995); CA/'sloughs in the far South Bay', South San Francisco Bay (Cohen and Carlton 1995); Martinez/CA/Carquinez Straits (Cohen and Carlton 1995); Collinsville-Antioch/CA/Sacramento River Delta (1976, Siegfried et al. 1980); Petaluma/CA/Petaluma River (Cohen and Carlton 1995; 2004, Cohen et al. 2005); CA/Petaluma River (1984, Laughlin and French 1989, cited by Goncalves et al. 1995); Napa Valley Marina/CA/Napa River (2004, Cohen et al. 2005); Port Sonoma/CA/San Pablo Bay (2004, Cohen et al. 2005); Presidio Yacht Club/CA/Horseshoe Cove, Golden Gate (2004, Cohen et al. 2005)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Oyster Accidental |
Regional Impacts
| Ecological Impact | Food/Prey | |
| Rhithropanopeus harrisii is an important food item for introduced White Catfish (Ameirurus catus) and Striped Bass (Morone saxatilis) and for the naitve White Sturgeon (Acipenser transmontanus) (Cohen and Carlton 1995). | ||