Nearly 300 anglers competed in the 2025 Lake Koocanusa Fishing Derby. The winners of the 21st Annual Fishing Derby, held May 17-18 at Koocanusa Resort and Marina, display their catches. Wendy Friss, ...

HELENA - Longtime Missouri River fishing guide Pete Cardinal says the rainbow and brown trout in the river near Craig were as healthy as he's ever seen. And a report by the Montana Department of ...

(Jacob W. Frank/NPS) (CN) — The U.S. Forest Service’s plan to swap rainbow trout with Yellowstone cutthroat trout in Montana’s Absaroka-Beartooth Wilderness violates federal wilderness laws, ...

The sterile fish, a cross between a male brook trout and a female brown trout, are proposed for planting in four of the state ...

For rivers and streams in the western and central districts, anglers have a limit of three rainbow, brown or golden trout daily or in possession. Brook trout remain at 20 daily limit or in possession.

Most rainbow trout swimming in Montana’s waters are not native to the state — with the singular exception of the redband trout in the Kootenai drainage. While common throughout most of ...

Otoliths. Natal origins. Necrosis. Moribund. These scientific terms and many others appear in a 52-page interim report from Montana Fish, Wildlife & Parks evaluating the health, life cycles and ...