science environmentSearching For The Mysterious Sixgill Sharks of Puget SoundBy Michael Werner (KCTS9/EarthFix)Hoodsport, Washington June 21, 2016 4:45 a.m.📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up