The thread-sail filefish is a small mouthed fish with a tough, foldable spine above its head. It lives in the northwest Pacific near Korea, Japan, China, and Taiwan. No wild U.S. range has been documented.
Appearance
Appearance
The body is deep and flattened from side to side, with a small pointed mouth. Colors vary from tan to brown, sometimes with dark bars or pale spots.
Where it lives
Typical habitats
Shallow rocky reefs
Sandy coastal bottoms
Range
Its documented wild range is in the western Pacific, from Japan and Korea south toward Taiwan and the northern Philippines. It lives in coastal waters down to about 330 ft (100 m); no wild U.S. range is documented.
Behavior
Diet
In Japanese coastal waters, it eats small seafloor animals such as shellfish and .