Brown trout can harm native trout species, such as bull trout and westslope cutthroat, by outcompeting them for resources and ...

Bull trout were listed as "threatened" under the Endangered Species Act in 1998, and the South Fork of the Flathead River is one of the last strongholds for the fish in Montana because the Hungry ...

Ladd Knotek is disturbed by the lack of attention being paid to the many western Montana streams where bull trout populations are struggling to survive. The fisheries biologist with Montana Fish ...

An adult male bull trout with spawning characteristics. The orange abdomen and large hook jaw indicate this male is ready to fight for a mate. Courtesy / Sam Scherck ...

State officials have confirmed the presence of nonnative brown trout in the Flathead River system. An angler reportedly ...

In 1998, bull trout were labeled as threatened under the Endangered Species Act. U.S. Fish and Wildlife Service. The Burns Paiute Tribe began addressing this issue a decade ago by targeting the ...

A conservationist who has worked protecting bull trout says Glacier National Park is “playing God” with Gunsight Lake, a remote lake at the head of the St. Mary River Valley.

Region 6 bull trout coordinator Wade Fredenberg teamed with noted Geographic photographer Joel Sartore in 2009 to capture underwater and aquarium-staged shots of bull trout in British Columbia’s ...

An adult male bull trout with spawning characteristics. The orange abdomen and large hook jaw indicate this male is ready to fight for a mate. Courtesy / Sam Scherck ...

Bull trout spawning sites in the Swan Lake basin hit their lowest count in 42 years in 2023, according to data from Montana Fish, Wildlife and Parks. In a news ...

Bull trout – which are native to the Columbia River Basin and are only found west of the Continental Divide in Montana – need clear, cold mountain waters to spawn and require clean gravel beds ...