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News From the Field

Some Alaskan Trout Use Flexible Guts for the Ultimate Binge Diet


March 20, 2013

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The stomach and intestines of certain Dolly Varden trout double to quadruple in size during month-long, salmon egg-eating binges in Alaska each August. Because there is so little to eat the rest of the year where they reside, the fish live off the reserves they've built up and their digestive tracks shrink. It's the first time researchers have documented this fish gut flexibility in the wild. Full Story

Source
University of Washington

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