Trout (IMAGE) The University of Montana Caption Native westslope cutthroat trout are shown in the North Fork Flathead River, the study area for the published article. Credit Photo courtesy of Clint Muhlfeld Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.