Invasion

Invasion Description

1st Record: WA/Willapa Bay (1990s, Cohen et al. 2001; '...the Japanese fouling mussel Musculista senhousia was transported into Willapa Bay with shipments of Manila clams in the 1990s, but did not become established in the bay')

Geographic Extent

1st Record: WA/Willapa Bay (1990s, Cohen et al. 2001, failed)