Fin's Fish Guide
The Roughscale flounder (Clidoderma asperrimum) is a saltwater fish of the family Pleuronectidae that grows up to 62 cm.
Asia: Canada, China, Japan, Korea (North), Russia, Kuril Is. and others
Description
The Roughscale flounder is a flatfish (Pleuronectidae) from coastal waters of the northern Pacific. The species grows to about 62 cm and has an oval, strongly flattened, dark-brown, with scattered rough tubercles instead of ordinary scales, body with both eyes on one side. As a bottom-dweller it lies half-buried on sand and mud bottoms and ambushes small crustaceans, worms and small fish. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Roughscale flounder?
The Roughscale flounder has a flattened, disc-shaped body and is mainly brown.
Where does the Roughscale flounder live?
The Roughscale flounder lives in the sea (marine waters) and is mostly found around sand or mud bottom. Asia: Canada, China, Japan, Korea (North), Russia, Kuril Is. and others
How big does the Roughscale flounder get?
The Roughscale flounder grows to a maximum of about 62 cm. On average the species is around 43 cm.
Is the Roughscale flounder dangerous to humans?
No, the Roughscale flounder is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Roughscale flounder edible?
Yes, the Roughscale flounder is commonly eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Pleuronectidae
Want the complete picture on the Roughscale flounder?
Point your camera at the fish and Fin names the species in seconds. Free, and the Roughscale flounder is one of 12,519 species in the app.