The Remo flounder, Oncopterus darwinii, is an edible flatfish of the family Pleuronectidae. It is a demersal fish that lives on bottoms at depths of between 20mand80mm (70feetand260feetm). Its native habitat is the southwestern Atlantic[1] along the southeast coast of South America, from Santa Catarina, Brazil in the north to the San Matías Gulf, Argentina in the south. It can reach 30cm (10inches) in length.[2]
The Remo flounder is a righteyed flounder and so has both its eyes on the right-hand side of its body. Its upper surface is pale brown in colour with small white spots, and large white spots at its edges. The lateral line is marked by a distinctive semi-circular curve above the pectoral fin.