Image: Walleye pollock
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Walleye_pollock.jpg (450 × 338 pixels, file size: 61 KB, MIME type: image/jpeg)
Description: The pollock's (Theragra chalcogramma) speckled coloring on top helps keep pollock safe from predators when close to the sea floor. It is similar to a sandy ocean floor, allowing the pollock to blend in.
Title: Walleye pollock
Credit: http://www.nmfs.noaa.gov/fishwatch/species/walleye_pollock.htm
Author: National Oceanic and Atmospheric Administration
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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