Native westslope cutthroat trout swim in the north fork of the Flathead River in northwestern Montana.
Detailed Description
Native westslope cutthroat trout swim in the north fork of the Flathead River in northwestern Montana. This region is recognized as a range-wide stronghold for genetically pure westslope cutthroat trout. However, rainbow trout invasion and hybridization threatens these populations.
Sources/Usage
Image courtesy of Jonny Armstrong.