Invasion

Invasion Description

Geographic Extent

Hudson River estuary (Page and Burr 1991; USGS Nonindigenous Aquatic Species Program 2014), NJ-PA-DE/Delaware Rvier drainage (Page and Burr 1991; USGS Nonindigenous Aquatic Species Program 2014), MD-DC-DE-VA/Chesapeake Bay and tributaries (Page and Burr 1991; USGS Nonindigenous Aquatic Species Program 2014)