Invasion
Invasion Description
1st Record: Central Valley/CA/San Joaquin River (1944, Dill and Cordone 1997). Records of this catfish's in the Sacaramento-San Joaquin basin presence may be based on misidentifications (Dill and Cordone 1997; Leidy 2007).
Geographic Extent
CA/Sacramento-San Joaquin Delta (1944, Cohen and Carlton 1995; Dill and Cordone 1997, apparently rare, not showing up in recent Delta surveys)
Vectors
| Level | Vector |
|---|---|
| Alternate | Fisheries Intentional |
| Alternate | Fisheries Accidental (not Oyster) |