Peter Krahn is a professional chemical/environmental engineer with 38 years experience specializing in forensic criminal environmental investigations. Now retired, Peter is developing a selective fishing technology for sustainably harvesting salmon and Steelhead to replace destructive gill nets. It supports scientific data collection, and supports selective harvesting, the removal of invasive fish species, and the release of wild fish. Listen to Peter Krahn and Dave Brown from the Public Fishery Alliance on The Blue Fish Radio Show talk with host Lawrence Gunther