The secret to saving salmon is lodged in their ears


chinook salmon ear stone otolith

Salmon of the Nushagak River shift their habitat year-to-year—and that has important implications for how we protect these fish.

The sockeye and Chinook salmon that hatch, grow, and return to spawn on southwest Alaska’s Nushagak River are part of the world’s largest salmon fishery, Bristol Bay.
via Popular Science "http://bit.ly/2VL54cn"

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