January 12, 2019, 08:09 am

WGFD biologists determine ages of fish

 12-01-2019 8:09 AM

For several days during December, Andrew Nikirk, one of Sheridan's two fisheries biologists, spent hours peering into a microscope and carefully counting. Through the lens he was viewing otoliths, inner ear bones that are used to determine the age of a fish. Much as a tree puts down...

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Sheridan Press
Sheridan Press

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