Invasion
Invasion Description
1st Record: NH/Piscataqua River, Great Bay (Mathieson and Hehre 1986, cited by Mathieson et al. 2008)
Geographic Extent
NH/Piscataqua River, Great Bay (Mathieson and Hehre 1986, cited by Mathieson et al. 2008); Odiorne Point/NH/Gulf of Maine (2010, MacIntyre et al. 2010; Massachusetts Office of Coastal Zone Management 2013)
Vectors
| Level | Vector |
|---|---|
| Alternate | Hull Fouling |
| Alternate | Ballast Water |
| Alternate | Fisheries Accidental (not Oyster) |
| Alternate | Natural Dispersal |