The resulting “cuttbows” are fertile, but hybridization is considered to be a threat to native cutthroat trout in some streams. Idaho state fisheries officials, for example, ...

As the lake trout population has been reduced by nearly three decades of netting, Yellowstone Lake’s native cutthroat trout have slowly rebounded and gotten bigger — a lot bigger.

Oregon Department of Fish and Wildlife fish biologist Jeff Ziller talks about the art of fishing Oregon's mountain lakes.

Stocking of aggressive brown trout directly resulted in extirpation of native fish. Many larger trout systems that historically held rainbows, cutthroat, or brook trout were taken over by browns ...

As record high temperatures are recorded around the nation and world, Yellowstone National Park’s fisheries division is proposing to protect its native cutthroat trout by securing a high ...

Without a reproducing population, CPW said, the brook trout will eventually die out, allowing for the native cutthroat to be restored. “This is a pretty historic moment for Colorado and native ...

The first trout from streams in the area will be westslope cutthroat trout. Eventually they will raise a second species, possibly native bulltrout for reintroduction in the area streams they came ...

Invasive species have been threatening Yellowstone’s native fish—Yellowstone and Westslope cutthroat trout and arctic grayling—since shortly after the park’s inception in 1872.

The Rio Grande cutthroat is one of three native trout indigenous to Colorado, per CPW. The other two are the Colorado River cutthroat (found on Colorado's Western Slope) and the Greenback ...

Hybridization between native cutthroat trout and invasive rainbow trout in the Flathead Valley could prove a major cause of biodiversity loss and a harm to native species, according to a recent ...

The Utah Cutthroat Slam recently reached a milestone of raising over $100,000 in funding, which goes toward projects and other efforts to restore native cutthroat trout throughout Utah.