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trout in the Gros Ventre River in Wyoming

May 8, 2016 | A Good Catch

Cutthroat trout, seen here spawning in the Gros Ventre River in Wyoming, are highly prized by anglers. Adapted to cold water, they’re threatened by a warming climate—and in Yellowstone Lake, by non-native lake trout.

See more pictures from the May 2016 feature story "The Yellowstone We Don't See: A Struggle of Life and Death."

Photograph by Charlie Hamilton James