As America's large reservoirs on the Colorado River drop to record-low levels, fish are among those suffering the impact.
Struggling aquatic life further complicates the already delicate river management and increases the cost.
A mid-term solution could involve a technique that lets cold water from deeper in the lake flow into the river below. Although this would mean forgoing hydropower, the cool water would disrupt spawning of predatory fish. It's been successful in other rivers and could help protect both native fish and rainbow trout.
Walking into a silent hatchery, normally abuzz with flowing water and air compressors, is a challenge, said Nevada Department of Wildlife supervising fish biologist Brandon Singer.
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