Arctic flounder can grow up to in length. The Arctic flounder is a right-eyed flatfish. Its upper side is dark olive green to dark brown in colour, sometimes with black spots or dark patches; its underside is white. Its fins are pale brown, sometimes with a yellow tinge or faint dark spots. The diet of the Arctic flounder consists mainly of small fish and zoobenthos invertebrates such as amphipods, molluscs and marine worms. Arctic flounder The Arctic flounder ("Liopsetta glacialis"), also known as the Christmas flounder, eelback flounder and Polar plaice, is a flatfish of the family Pleuronectidae. It is a demersal
Oily fish Oily fish Oily fish have oil in their tissues and in the belly cavity around the gut. Their fillets contain up to 30% oil, although this figure varies both within and between species. Examples include small forage fish, such as sardines, herring and anchovies, and other larger pelagic fish, such as salmon, trout, tuna, swordfish and mackerel. Oily fish can be contrasted with white fish, which contain oil only in the liver, and much less overall than oily fish. Examples of white fish are cod, haddock and flatfish. White fish are usually demersal fish which live on or near the