Arctic flounder

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Arctic flounder (Liopsetta glacialis) is a flatfish that lives on muddy coastal bottoms in salt, brackish, and even some freshwater, down to about 90 meters deep. It is also called the Christmas flounder, eelback flounder, or Polar plaice. It is listed as Least Concern for conservation. It can grow up to 35 centimeters long. The fish is right-eyed, with the upper side dark olive green to dark brown (often with black spots) and the underside white. Its fins are pale brown, sometimes with a yellow tint. It lives in cold polar waters of the northeastern Atlantic and Arctic oceans, from the White Sea and Barents Sea to Siberia, Queen Maud Gulf in Canada, and across the Bering Sea to Alaska’s Bristol Bay and the northern Sea of Okhotsk. Its diet includes small fish and bottom-dwelling invertebrates such as amphipods, molluscs, and marine worms.