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Roughscale flounder (Clidoderma asperrimum) — Pleuronectidae

Roughscale flounder

Clidoderma asperrimum

The Roughscale flounder (Clidoderma asperrimum) is a saltwater fish of the family Pleuronectidae that grows up to 62 cm.

Length
62 cm
Water
Saltwater
Depth
15.0–1900.0 m
Behaviour
Solitary
Body shape
Flat / disc-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Commonly eaten

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.

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.

Is the Roughscale flounder edible?

Yes, the Roughscale flounder is commonly eaten.

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All data

Identification

Dutch name
Ruwschub-bot sourced
English name
Roughscale flounder sourced
Scientific name
Clidoderma asperrimum
Family
Pleuronectidae
Other names
Roughscale sole verified

Appearance

Size class
Large verified
Max length (cm)
62.0 verified
Average length (cm)
42.8 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
15.0 verified
Max depth (m)
1900.0 verified
Origin
Native inferred

Behaviour & biology

Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
levensduur_max_jaar
15.0 verified

For anglers

Edibility
Commonly eaten inferred
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

More from the family Pleuronectidae

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