Fish nursery gives endangered razorback sucker babies a fin up in survival
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Friday August 8, 2021 - KZMU Community Radio
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Juvenile razorback suckers swim inside the Ouray National Fish Hatchery outside Vernal, Utah.
The Colorado River is one of the most engineered river systems in the world. Over millions of years, the living creatures that call the river home have adapted to its natural variability, of seasonal highs and lows. But for the last century, they have struggled to keep up with rapid change in the river’s flows and ecology.
Dams throughout the watershed create barriers and alter flows that make life hard for native fish. Toss in 70 non-native fish species, rapidly growing invasive riparian plants and a slurry of pollutants, and the problem of endangered fish recovery becomes even more complex. The river system is home to four fish species currently listed as endangered: the razorback sucker, Colorado pikeminnow, bonytail and humpback chub.