Butterfish (Pholis gunnellus). The butter fish has a mucus-covered scale-less body which makes it slippery and difficult to hold, hence its name. Phot

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Butterfish (Pholis gunnellus). The butter fish has a mucus-covered scale-less body which makes it slippery and difficult to hold, hence its name. Photographed in the White Sea, Russia.

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Size: 5125px × 3417px
Photo credit: © ALEXANDER SEMENOV/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: animal, aquatic, barents, biological, biology, bony, butter, camera, fauna, fish, gunnel, gunnellus, head, marine, nature, pholis, pisces, russia, sea, underwater, water, white, wildlife, zoological, zoology