Despite its gruesome moniker, the Colorado River cutthroat trout has long been revered as one of North America's most beautiful native fish — and it's now one of the country's most imperiled. Named ...

After eight years, biologists have found that a unique kind of cutthroat trout from Hayden Creek in ... resources of Colorado and this is a perfect example,” Foutz said.

Despite its gruesome moniker, the Colorado River cutthroat trout has long been revered as one of North America's most beautiful native fish — and it's now one of the country's most imperiled. Named ...