Invasion

Invasion Description

1st record: Quebec City/Quebec/St. Lawrence River (1992, Mellina and Rasmussen 1994)

Geographic Extent

Trois-Rivieres-Quebec City/Quebec/St. Lawrence River (1992, Mellina and Rasmussen 1994); Gentilly/Quebec/St. Lawrence River (1992, USGS Nonindigenous Aquatic Species Program 2008); Donnacona/Quebec/USGS Nonindigenous Aquatic Species Program 2012); Iles de Orleans-Ile aux Lievres (1994, planktonic veligers, Barnard et al. 2003; Barnard et al. 2005; Winkler et al. 2006); Trois-Rivieres-Sept Iles/Quebec//St. Lawrence River (2009-2010, Adebayo et al. 2012)