There’s nothing better than a vibrant pre-spawn color shift – but it’s not the only reason trout change colors. If you were to follow a single trout over the course of a year, you’d notice that its ...

Bull trout. (Photo courtesy of the U.S. Geological Survey) Bull trout. (Photo courtesy of the U.S. Geological Survey) Ben Eisinger holds a bull trout he caught in the Hungry Horse Reservoir in June ...

Low flows and stream blockages may have contributed to some lower-than-usual spawning results in the annual northwest Montana bull trout survey this fall. “In some streams, our annual index sections ...

HELENA — Bull trout, a threatened fish whose well-being has driven court cases and changed industrial projects, may be coming back in some areas of Montana, a new survey suggests. The number of bull ...

High up in the mountains of Central Washington, in cool, clear headwaters, you might be lucky to find the most elusive of fish: the bull trout. Federally listed as a threatened species under the ...