Stone flounder

The stone flounder (Platichthys bicoloratus) is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on sandy and muddy bottoms in coastal areas at depths of up to 150 m. Its native habitat is the temperate waters of the northwest Pacific, from Japan to the Kuril islands, Sakhalin, Korea, northern China and Taiwan. It is oceanodromous and is found in salt, brackish and fresh waters. It can grow up to 50 cm in length, and may reach 12 years of age. It is sometimes classified in the monotypic genus Kareius.

Diet
The stone flounder's diet consists of zoobenthos organisms such as amphipods, bivalves, mysids and polychaetes.