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A school of humpback chub swimming in Havasu Creek, Grand Canyon

By Southwest Biological Science Center
A school of humpback chub (Gila cypha) swimming in Havasu Creek, Grand Canyon
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Detailed Description

A school of humpback chub swimming in Havasu Creek, Grand Canyon. Photo by David Herasimtschuk, Freshwaters Illustrated, paid for and used with permission by USGS Southwest Biological Science Center. 

Sources/Usage

Public Domain.