The Ridge-eyed Flounder lives on the seafloor in the northwestern Pacific, around Japan, Korea, and China. Ridge-eyed flounder has raised eyes and small, round dark spots on the side of its body with the eyes. The similar Pleuronichthys lighti can be difficult to tell apart in photos.

Appearance

Appearance
This flat, diamond-shaped fish has both eyes on one side. The upper side usually has small, round dark spots.

Where it lives

Typical habitats
  • sandy and muddy seafloor
Range
It is native to the northwestern Pacific, outside U.S. waters.

Behavior

Diet
In Japanese waters, it eats marine worms and small animals with hard outer shells.

Name and classification

About the name
It was formerly called Pleuronichthys japonicus.

Conservation

IUCN Red List
DDData DeficientNot enough data yet to assess
Ridge-eyed Flounder (Pleuronichthys cornutus) — identification, habitat & look-alikes | Moeyo