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Floating fish lab on a Partners in Science trip in Grand Canyon

By Southwest Biological Science Center June 2014 (approx.)
Four people on a raft crowd around a wooden measuring board to record the length of a fish
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Detailed Description

Researchers and Partners in Science trip participants record lengths and weights of fish captured in hoopnets along the Colorado River in Grand Canyon.

Sources/Usage

Photo used with permission from Dave Herasimtschuk/Freshwaters Illustrated. For USGS use only.