Invasion
Invasion Description
Philadelphia-Trenton/PA-NJ/Delaware River (1972, Fulton and Powell 1973; Crumb 1977)
Geographic Extent
Philadelphia-Trenton/PA-NJ/Delaware River (1972, Fulton and Powell 1973; Crumb 1977); New Castle County/DE/Delaware River (1981, USGS Nonindigenous Aquatic Species Program 2012); Kings Hwy/NJ/Oldmans Creek, Lower Delaware River Basin, tidal portion (8/24/1995, USGS Nonindigenous Aquatic Species Program 2012)
Vectors
| Level | Vector |
|---|---|
| Alternate | Canal |
| Alternate | Fisheries Accidental (not Oyster) |
| Alternate | Fisheries Intentional |
| Alternate | Discarded Bait |
| Alternate | Pet Release |