Invasion

Invasion Description

1st Record: WA/Puget Sound (plantings were unsuccessful at establishing populations, but hatchery-based culture continues, 1951, 1962, Carlton 1979).

Geographic Extent

WA/Puget Sound (plantings were unsuccessful at establishing populations, but hatchery-based culture continues, 1951, 1962, Carlton 1979, Web postings, e.g. Seattle Business Journal 2007-http://seattle.bizjournals.com/seattle/stories/2005/01/03/newscolumn2.html).