Invasion
Invasion Description
1st Record: OR/Umpqua River drainage (1997, USGS Nonindigenous Aquatic Species Program 2006).
Geographic Extent
OR/Umpqua River drainage (1997, USGS Nonindigenous Aquatic Species Program 2006).
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Fisheries Accidental (not Oyster) |