Rikuzen flounder

The Rikuzen flounder, Dexistes rikuzenius, is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on sandy and muddy bottoms in temperate waters at depths of between 42 and 200 m. Its native habitat is the northwestern Pacific, particularly the Sea of Japan and the coastlines of Japan and Korea. It grows up to 22 cm in length.

Etymology
The fish is named after Rikuzen Province, an old province of Japan.

Diet
The Rikuzen flounder's diet consists of benthos invertebrates such as crabs, shrimps, marine worms and brittle stars.