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Biologists have released endangered fish into a Grand Canyon creek to try to improve their chances of survival.The release of humpback chub into Bright…
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The U.S. Fish and Wildlife Service says a fish native to the Colorado River is no longer in immediate danger of extinction. KNAU’s Melissa Sevigny reports…
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There was a time when scientists feared the demise of an ugly little fish called humpback chub, which has lived in southwestern rivers for millions of…