Invasion
Invasion Description
1st record: South Bend/WA/Willapa Bay (1987, Chapman and Carlton 1991; USNM 280182, U.S. National Museum of Natural History 2015)
Geographic Extent
South Bend/WA/Willapa Bay (1987, Chapman and Carlton 1991; USNM 280182, U.S. National Museum of Natural History 2015)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Hull Fouling |
| Alternate | Oyster Accidental |