Alex Mustard / Butterfish (Pholis gunnellus) portrait. Gardur, south west Iceland. North Atlantic Ocean.
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Alex Mustard / Portrait of a butterfish (Pholis gunnellus) in seaweeds, on a chalk reef. Sheringham, north Norfolk, England, United Kingdom. North Sea
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Alex Mustard / Butterfish (Pholis gunnellus) portrait. Gardur, south west Iceland. North Atlantic Ocean.
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Terry Whittaker / Black guillemot (Cepphus grylle) brings butterfish (Pholis gunellus) prey to its nest within harbour wall, Portpatrick Harbour, Scotland, May.