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 ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results