Invasion
Invasion Description
1st Record: 'east Bay shore'/CA/San Francisco Bay (Stearns 1899, cited by Carlton 1979)
Geographic Extent
'east Bay shore'/CA/San Francisco Bay (Stearns 1899, cited by Carlton 1979); CA/San Pablo Bay (Nichols and Thompson 1985; Hopkins 1986); CA/Carquinez Strait-Suisun Bay (Hopkins 1986); CA/South San Francisco Bay (Nichols and Thompson 1985); Coyote Point Marina/CA/South San Francisco Bay (Cohen et al. 2005); Main Estuarine (Suisun-San Pablo, mean 16.1 PSU) to Marine Muddy, (South and Central bays, mean salinity 27.5 PSU, peak abundance at Estuarine-Margin, San Pablo, mean salinity 22.8 PSU, Lee et al. 2003)
Vectors
| Level | Vector |
|---|---|
| Probable | Oyster Accidental |
Regional Impacts
| Ecological Impact | Competition | |
| Competition is suspected with Nutricola tantilla (=Transenella tantilla), rarely found together in the same samples (Carlton 1979). | ||