Invasion

Invasion Description

1st Record: WA/Puget Sound (1882, Chapman 1942; Fuller et al. 1999)

Geographic Extent

1st Record: WA/Puget Sound (1882, Chapman 1942; Fuller et al. 1999, but recently increasing, breeding?) Breeding of Alosa sapidissima is uncertain in this region's rivers, but this fish is a regular migrant.