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A juvenile Dolly Varden

By Alaska Science Center
A juvenile Dolly Varden in clear container with ruler at bottom for scale.
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Detailed Description

A juvenile Dolly Varden (Salvelinus malma) from the Beaufort Sea, Alaska, during the first summer at sea following freshwater rearing. Dolly Varden return to freshwater overwinter areas each winter because freshwater temperatures are warmer.

Sources/Usage

Public Domain.

U.S. Geological Survey