Plaice Plaice Plaice is a common name for a group of flatfish that comprises four species: the European, American, Alaskan and scale-eye plaice. Commercially, the most important plaice is the European. The principal commercial flatfish in Europe, it is also widely fished recreationally, has potential as an aquaculture species, and is kept as an aquarium fish. Also commercially important is the American plaice. The term "plaice" (plural "plaice") comes from the 14th-century Anglo-French "plais". This in turn comes from the late Latin "platessa", meaning flatfish, which originated from the Ancient Greek "platys", meaning broad. The European plaice ("Pleuronectes platessa") is a
European flounder European flounder The European flounder ("Platichthys flesus") is a flatfish of European coastal waters from the White Sea in the north to the Mediterranean and the Black Sea in the south. It has been introduced into the United States and Canada accidentally through transport in ballast water. It is caught and used for human consumption. The European flounder is oval in shape and is usually right-eyed. It normally grows about 30 cm in length, although lengths of up to 60 cm have been recorded. The upper surface is usually dull brown or olive in colour with reddish spots and brown