Invasion
Invasion Description
1st Record? AK/Prince William Sound (1980s? cultured, Hines et al. 2000, probably introduced much earlier). Crassostrea gigas does not spawn successfully here. Culture is dependent on hatchery seed.
Geographic Extent
AK/Prince William Sound (cultured, Hines et al. 2000); AK/Kachemak Bay (Hines et al. 2001)
Vectors
| Level | Vector |
|---|---|
| Probable | Oyster Intentional |
Regional Impacts
| Economic Impact | Fisheries | |
| Crassostrea gigas (Pacific Oyster) is cultured in Alaska waters, but does not reproduce. Culture is dependent on hatcheries (Hines et al. 2000; Hines et al. 2001). | ||