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Contact: Lily Whiteman
National Science Foundation

Red Sockeye Salmon in the River

Caption: When sockeye salmon migrate from salt water to fresh water, they change color--going from their ocean colors of mostly silver with some darker coloration on their backs (like a lot of other ocean fish) to red when in fresh water.

Credit: Dr. Tom Quinn, University of Washington

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Related news release: Animal magnetism: First evidence that magnetism helps salmon find home

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