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
Coral reef fish too late. The clown triggerfish has strong jaws for crushing and eating sea urchins, crustaceans and hard-shell molluscs. Its ventral (lower) surface has large, white spots on a dark background, and its dorsal (upper) surface has black spots on yellow. This is a form of countershading: from below, the white spots look like the lighted surface of the water above; and from above, the fish blends more with the coral reef below. The brightly painted yellow mouth may deter potential predators. Many reef fish species have evolved different feeding strategies accompanied by specialized mouths, jaws and teeth particularly suited to