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 ...

genetically unique species in a tiny Colorado creek, it was found “thriving” in new streams, officials said. Colorado Parks and Wildlife recently found evidence of the unique cutthroat trout ...

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 ...