Invasion
Invasion Description
1st Record? Shellfish rearing tanks, Marine Science Center/Newport/OR/Yaquina Bay (1970; Breese and Phibbs 1972)
Geographic Extent
Shellfish rearing tanks, Marine Science Center/Newport/OR/Yaquina Bay (1970; Breese and Phibbs 1972); Newport/OR/Yaquina Bay (2010, Radashevsky, in Chapman et al. 2011)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Hull Fouling |
| Alternate | Oyster Accidental |
Regional Impacts
| Economic Impact | Fisheries | |
| In a Newport, Oregon shellfish hatchery, in 1970, Polydora cornuta was found to be feeding on larvae of Pacific Oysters (Crassostrea gigas and 'Manila Clams' (Venerupis philippinarum), and causing significant losses (Breese and Phipps 1972). | ||