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State regulators say fish sampled upstream and downstream of a June train derailment showed the presence of contaminants and prompted an advisory along the river from Stillwater County to Yellowstone County
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The National Park Service says nonnative fish threaten the resources of native aquatic animals like the Yellowstone cutthroat trout.
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Agencies advise members of the public not to eat mountain whitefish caught along the Yellowstone River from Twin Bridges Road railroad bridge to Laurel.
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Several months after draining Lake Elmo in Billings to get rid of invasive Asian Clams, Montana Fish, Wildlife and Parks has started restocking the lake with fish.
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For the second time in about two years, the Bluewater State Fish Hatchery is battling an invasion of New Zealand mud snails.
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The state started new work this week to prevent toxic metals in century-old mine waste from seeping into the Upper Clark Fork River. On a warm August...
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The Montana Fish and Wildlife Commission approved an emergency order Thursday requiring anglers in Upper, Middle and Lower Thompson lakes to kill any...
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Two nonnative walleyes were detected during a routine fishery survey west of Kalispell last week. The species could prove detrimental for a number of...
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Montana wildlife officials are investigating what’s being described as a "significant" fish kill along the banks of the Upper Clark Fork River. Montana...
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Yellowstone National Park has been working for over a decade to protect one of the last genetically pure Yellowstone cutthroat trout populations in the…