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Scientists: Invasive Yellowstone trout in decline

By Matthew Brown
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Scientists: Invasive Yellowstone trout in decline

BILLINGS, Mont. (AP) — A voracious species of trout that decimated a native trout population in Yellowstone National Park shows signs of decline following a costly and protracted effort to kill off the invading fish, government scientists and a conservation group said Tuesday.

Non-native lake trout were first discovered in Yellowstone Lake in 1994, after being illegally introduced to the 132-square-mile body of water that attracts visitors from around the world.

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