大菱鲆（Scophthalmusmaximus）属鲆科、菱鲆属，它自然分布于大西洋东侧的北欧沿岸，北海、波罗的海、地中海和黑海均有分布。大菱鲆身体扁平近似圆形，双眼位于身体左侧。成鱼有眼的一侧呈青褐色，有点状黑色素和少量皮刺；无眼的一侧呈白色，光滑无刺，背鳍和臀鳍很长，几乎 Scophthalmus maximus (Scophthalmus maximus) is a family of Parthenolidae, Turbot, it is naturally distributed in the eastern Atlantic coast of the Nordic coast, the North Sea, the Baltic Sea, the Mediterranean Sea and the Black Sea are distributed. Turbot body flat approximately circular, his left eye on the body. An eyeful side of adult fish was brownish, a bit like melanin and a small amount of prickles; eyeless side was white, smooth without thorns, dorsal and anal fin is very long, almost