The National Park Service is also considering new regulations for Yellowstone National Park that could increase angler harvest of non-native species like brown and rainbow trout in waters formerly inhabited by West Slope cutthroat trout and fluvial Arctic grayling. Click here for more information on the Yellowstone Native Species Restoration Plan. Because of the nature of this medium, the publishers of this site cannot be held responsible for comments made by the public. Try not to be stupid. Joe J. - please define.
Thr river is different because of the dams.