Invasion
Invasion Description
1st Record: NY/Niagara River (1931. USGS Noindigenous Aquati Species Program)
Geographic Extent
NY/Niagara River (1931. USGS Noindigenous AquaticSpecies Program); Cayuga Island/NY/Niagara River (1943. Mills et al. 1993); Montreal/Quebec/St. Lawrence River (1971, Stanczykowska et al. 1971; Jokinen 1982)
Vectors
| Level | Vector |
|---|---|
| Alternate | Fisheries Accidental (not Oyster) |
| Alternate | Aquatic Plant Shipments |
| Alternate | Pet Release |
| Alternate | Fisheries Intentional |