Invasion
Invasion Description
1st Record: Watertown/MA/Charles River (2001, USGS Nonindigenous Aquatic Species Program 2008)
Geographic Extent
Watertown/MA/Charles River (2001, USGS Nonindigenous Aquatic Species Program 2008); Anderson Bridge, Cambridge/MA/Charles River (2003, Museum of Comparative Zoology, 2008)
Vectors
| Level | Vector |
|---|---|
| Alternate | Natural Dispersal |
| Alternate | Discarded Bait |
| Alternate | Fisheries Accidental (not Oyster) |
| Alternate | Pet Release |