Invasion
Invasion Description
1st Record: Stockton/CA/San Joaquin River (1874, Cohen and Carlton 1995; Dill and Cordone 1997)
Geographic Extent
Sacramento-San Joaquin Delta; Suisun Bay (Cohen and Carlton 1995; Dill and Cordone 1997); Walnut Grove/CA/North Fork Mokelumne River (Cavallo et al. 2013)
Vectors
Level | Vector |
---|---|
Probable | Fisheries Intentional |
Regional Impacts
Economic Impact | Fisheries | |
By 1877, White Catfish supported a significant commercial fishery in the San Francisco Bay estuary (Smith 1896). In 1953, the commercial fishery was ended, because of overfishing, but it remains an important sportfish (Cohen and Carlton 1995; Dill and Cordone 1997). | ||