Invasion
Invasion Description
1st Record: near Duluth/MN/St. Louis River estuary, Lake Superior (2005, USGS Nonindigenous Aquatic Species Program 2007)
Geographic Extent
near Duluth/MN/St. Louis River estuary, Lake Superior (2005, USGS Nonindigenous Aquatic Species Program 2007; Trebitz et al. 2012)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Hull Fouling |
| Alternate | Fisheries Accidental (not Oyster) |
| Alternate | Natural Dispersal |