Invasion

Invasion Description

1st Record- Sweetwater River in the San Diego National Wildlife Refuge/CA/Sweetwater River, San Diego Bay (2005, USGS Nonindigenous Aquatic Species Program 2007),

1st Record: San Diego County/CA/San Mateo Creek Lagoon (1974-2008, Swift et al. 2018, population fluctuates during periods of heavy freshwater flow, absent during seawater inflow). Removal efforts in 2004-2008.

Geographic Extent

Sweetwater River in the San Diego National Wildlife Refuge/CA/Sweetwater River, San Diego Bay (2005, USGS Nonindigenous Aquatic Species Program 2007),

San Diego County/CA/San Mateo Creek Lagoon (1974-2008, Swift et al. 2018, population fluctuates during periods of heavy freshwater flow, absent during seawater inflow). Removal efforts in 2004-2008.