GREAT FALLS (AP) -- Montana's famed big rainbow trout are disappearing from a section of the Missouri River. Wildlife managers point to old age, years of drought and a rise in whirling disease for the ...

They grew weary of waiting. Last month, fishing outfitters, guides, anglers and people worried about the decline of trout populations in southwest Montana sought immediate action from Gov. Greg ...

Sampling last year found that “an overwhelming majority of trout from rivers in the upper Missouri River Basin are healthy.” That’s according to a news release Wednesday from Montana Fish, Wildlife & ...

Duncan Adams Lee Newspapers May 13, 2025 May 13, 2025 Otoliths. Natal origins. Necrosis. Moribund. These scientific terms and many others appear in a 52-page interim report from Montana Fish, Wildlife ...

After historically low counts of brown and rainbow trout were found in three popular stretches of the Big Hole River, people have begun rallying around the 153-mile freestone river in southwest ...

Save Wild Trout, a non-profit coalition recently stitched together as concerns grew about trout populations, announced Monday it has hired a Montana-born scientist and engineer to pursue science-based ...