GRAND CANYON NATIONAL PARK — A shot of cold water from Glen Canyon Dam appears to have stalled a smallmouth bass invasion of the Grand Canyon and protected rare Colorado River fish there, federal ...

Invasive smallmouth bass have threatened native fish in the Colorado River as it flows through the Grand Canyon. Federal officials recently cleared out a warm backwater below Glen Canyon Dam where ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — Fly fishing enthusiasts in ...

When it comes to zebra mussels in the Colorado River system, Colorado Parks and Wildlife Director Jeff Davis summed it up ...