Invasion

Invasion Description

1st Record: upstream of Sacramento (Sutter County)/CA/Feather River mouth, Sacramento River (2000, USGS Nonindigenous Aquatic Species Program 2007)

Geographic Extent

Knights/Landing/CA/Sacramento River (2003, Brown and Hieb 2014); Yolo bypass/CA/Sacramento River (2002, USGS Nonindigenous Aquatic Species Program 2007; Hieb 2007);  Wards Landing (Colusa County)/CA/Sacramento River (2005, Hieb 2007); Merced County/CA/Mud Slough, San Joaquin River (2005, Hieb 2007); CA/Suisun, Grizzly, and Honker Bays to Carquinez Strait, and infrequently in San Pablo Bay (2005, Hieb 2007; Brown and Hieb 2014); CA/Suisun Marsh (2001, Brown and Hieb 2014; Young et al. 2017); CA/Lindsey Slough, Sacramento River (oung et al. 2017)