Littlemouth flounder

The yellow striped flounder, Pseudopleuronectes herzensteini, is a flatfish of the family Pleuronectidae. It is a demersal saltwater fish that occurs in the temperate waters of the northwestern Pacific, from the Sea of Japan to the Kuril Islands, Sakhalin, Korea, the Yellow Sea, Gulf of Bohai and the East China Sea. It can grow up to 50 centimetres in length, though commonly it reaches around 28.5 centimetres ; its maximum recorded weight is 1.3 kilograms and its maximum reported lifespan is 15 years.