The mystery of the shrinking fish: Alaska's salmon are getting smaller

A new study has found four species reduced in size, with climate change and competition from hatchery-raised cousins as possible factors

The fishermen and women knew something was off with their catch. At first, it was just a general comment by everybody: The fish, yeah, I didn't get any big ones this year,'" said Richard Burnham, who has commercially harvested salmon for four decades in the interior Alaska village of Kaltag.

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