Invasion
Invasion Description
1st Record: Astoria/OR/Columbia River (7/97, Jensen and Armstrong 2005, single specimen caught by angler)
Geographic Extent
Astoria/OR/Columbia River (7/97, Jensen and Armstrong 2005, single specimen caught by angler)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Fisheries Accidental (not Oyster) |
| Alternate | Fisheries Intentional |