Invasion

Invasion Description

!st Record: Lake Ontario (1968, Mills et al. 1993)

Geographic Extent

Lake Ontario (1967, Mills et al. 1993); Hamilton/Ontario/Hamilton Harbor (1992, Demelo and Hebert 1994a); Ontario/Bay of Quinte (1992, Demelo and Hebert 1994a); EPA Station ON55M, off Rochester/NY/Lake Ontario (1998, USGS Nonindigenous Aquatic Species Program 2013)