European flounder the males when they measure and the females when they measure . The European flounder sometimes hybridises with European plaice ("Pleuronectes platessa") and, particularly in the western Baltic Sea, the hybrid is common. The European flounder is used for human consumption but is not so highly esteemed as the European plaice or common sole ("Solea solea"). The most important fisheries are in the Baltic Sea and the waters around the Netherlands and Denmark. In 2010, the total world catch was about nineteen thousand tonnes, mostly caught by bottom trawling. The fish is marketed fresh and frozen and can be fried,
Curlfin sole Curlfin sole The curlfin sole ("Pleuronichthys decurrens") is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on soft bottoms at depths of between . Its native habitat is the subtropical waters of the eastern Pacific, from Prince William Sound, Alaska in the north to San Quintín, Baja California in the south. It can grow up to in length, and reach weights of up to , with females generally being larger than males. The curlfin sole is a right-eyed flatfish with large, closely set eyes and a small mouth. The upper surface is reddish brown to