Invasion

Invasion Description

1st record: Albany/NY/Hudson River (1972, Simpson 1976, cited by Mills et al. 1987); Kingston/NY/Hudson River (1 shell, Strayer 1987)

Geographic Extent

Albany/NY/Hudson River; (1972, Simpson 1976, cited by Mills et al. 1987); Kingston/NY/Hudson River (1 shell, Strayer 1987); (nontidal) at Ticonderoga in shallow water in area of private marina/NY/Lake George (2007, USGS Nonindigenous Aquatic Species Database 2012)