Grand Canyon's Native Fish - Grand Canyon National Park (U.S.

The humpback chub (Gila cypha) is an unusual-looking member of the minnow family that is endemic, or native, to the Colorado River basin. These fish, which can live as long as 30 years and reach lengths of almost 20 inches, are characterized by large fins and pronounced humps behind the heads of adults. The species is currently listed as threatened, with remaining populations found in six Colorado River basin locations in western Colorado, Utah, and Grand Canyon.

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