Invasion

Invasion Description

1st Record: Tracy Fish Collection Facility/CA/Sacramento-San Joaquin Delta (1999, Feyrer and Healey 2003; Brown and Michniuk 2007; USGS Nonindigenous Aquatic Species Program 2014)

1st Watershed Record; Fresno County/CA/Millerton Lake, on the San Joaquin River (1980, Jensen and Saiki 1990).

Geographic Extent

Tracy Fish Collection Facility/CA/Sacramento-San Joaquin Delta (Feyrer and Healey 2003; Brown and Michniuk 2007; USGS Nonindigenous Aquatic Species Program 2014); Yolo Bypass, Sacramento County/SA/Sacramento River (2001, USGS Nonindigenous Aquatic Species Program 2018); Shermand Contra Costa County/CA/San Joaquin River (2012, USGS Nonindigenous Aquatic Species Program 2018)