Montana’s state fish, cutthroat trout are native to the mountain west, including in the Flathead Valley; they have evolved for hundreds of years to the landscape, since about the last ice age.

MISSOULA -- While crossbreeding with other fish remains the biggest risk to Montana’s westslope cutthroat trout, new DNA testing shows the populations may be tougher than expected.

Sports; Outdoors; Yellowstone cutthroat trout habitat in Montana mended Thu., June 12, 2025 A Montana Conservation Corps crew helps install a log jam on Mill Creek as part of an overall project to ...

Montana Fish, Wildlife and Parks is asking for public comments on proposed state efforts to protect native westslope cutthroat trout in the Flathead Basin’s tributaries. One half of Montana’s ...

MISSOULA, Mont. — Montana Fish, Wildlife and Parks, partnering with the Custer Gallatin National Forest, will start a Yellowstone cutthroat trout conservation project in the upper Shields River ...

Spawning Yellowstone cutthroat trout (Oncorhynchus clarkii bouvieri). (Jacob W. Frank/NPS) (CN) — The U.S. Forest Service’s plan to swap rainbow trout with Yellowstone cutthroat trout in Montana’s ...

As a tributary to Slough Creek and the Lamar River in Yellowstone National Park, the Forest Service cites Buffalo Creek as the main source of non-native rainbow trout that are spreading downstream and ...

And fish for brown, rainbow, brook and cutthroat trout. The river has changed since a rare combination of more-than-usual rain and snowmelt overwhelmed the Yellowstone on June 13, sending 52,000 ...

Matt Jaeger, a fisheries biologist for Montana Fish, Wildlife & Parks, holds a Yellowstone cutthroat trout retrieved from Red Rock Creek in the Centennial Valley during an annual population survey.

Hoot-owl restrictions are already in place on the upper Madison River above Hebgen Lake, and on the lower Madison River from ...

The Montana Department of Fish, Wildlife and Parks is asking anglers in the state to help with ongoing trout research projects. Working with Montana State University, biologists are in their ...

German trout, German brown, English brown trout, Von Behr trout, European brown trout or one of several other names describes the fish that most Montanans know simply as brown trout.