|   (Gila elegans) are native to the Colorado River, which originates in Rocky Mountain National Park. Photo courtesy of the U.S. Fish and Wildlife Service Region 6 Dexter Fish Hatchery | 
Last updated: February 24, 2015
|   (Gila elegans) are native to the Colorado River, which originates in Rocky Mountain National Park. Photo courtesy of the U.S. Fish and Wildlife Service Region 6 Dexter Fish Hatchery | 
Last updated: February 24, 2015