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logo 11/26/2024 7:30:49 AM     
Biologists try to save ancient fish as Colorado River fades 
By BRITTANY PETERSON and JOHN FLESHER US Source: gazette 6/14/2022
BRITTANY PETERSON and JOHN FLESHER
Barrett Friesen steers a motorboat toward the shore of Lake Powell, with the Glen Canyon Dam towering overhead. Pale “bathtub rings” line the canyon’s rocky face, starkly illustrating how water levels have slumped in the second-largest U.S. reservoir amid rising demand and a multi-year drought.
 

The Utah State University graduate student and colleagues are on a mission to save the humpback chub, an ancient fish under assault from nonnative predators in the Colorado River. The reservoir's decline may soon make things worse, enabling these introduced fish to get past the dam to where the biggest groups of chub remain, farther downstream in the Grand Canyon.

 
Colorado River Chub, Humpback Continue...

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