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Finespotted flounder (Pleuronichthys cornutus) — Pleuronectidae

Finespotted flounder

Pleuronichthys cornutus
DD · Data Deficient

The Finespotted flounder (Pleuronichthys cornutus) is a saltwater fish of the family Pleuronectidae that grows up to 30 cm.

Length
30 cm
Water
Saltwater
Depth
2.0–170.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Flat / disc-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Northwest Pacific; sandy and muddy bottoms.
Edibility
Commonly eaten

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Description

The ridged-eye flounder is a righteye flounder (Pleuronectidae) from the northwestern Pacific. The species is a flatfish with both eyes on the right side of the strongly flattened body; between and near the eyes it bears small bony projections, to which the name refers. It inhabits sand and mud bottoms in coastal waters and deeper offshore. On the bottom it feeds on small invertebrates such as worms and molluscs. It is a food fish. The species is harmless to humans.

Frequently asked questions

How do you recognise the Finespotted flounder?

The Finespotted flounder has a flattened, disc-shaped body, is mainly brown and shows a spots pattern. Right-eyed flatfish with small bony protrusions near the eyes; bottom fish of soft bottoms.

Where does the Finespotted flounder live?

The Finespotted flounder lives in the sea (marine waters) and is mostly found around sand or mud bottom. Northwest Pacific; sandy and muddy bottoms.

How big does the Finespotted flounder get?

The Finespotted flounder grows to a maximum of about 30 cm.

Is the Finespotted flounder dangerous to humans?

No, the Finespotted flounder is harmless to humans. None required: this species is harmless to humans.

Is the Finespotted flounder edible?

Yes, the Finespotted flounder is commonly eaten.

More photos

Finespotted flounder (Pleuronichthys cornutus) — Pleuronectidae — 2
iNaturalist ((c) fhvc, some rights reserved (CC BY-NC))
Finespotted flounder (Pleuronichthys cornutus) — Pleuronectidae — 3
iNaturalist ((c) crabobservor, some rights reserved (CC BY-NC))
Finespotted flounder (Pleuronichthys cornutus) — Pleuronectidae — 4
Wikimedia Commons — (Temminck and Schlegel) (Public domain) [illustratie]
Finespotted flounder (Pleuronichthys cornutus) — Pleuronectidae — 5
iNaturalist ((c) 阿白, some rights reserved (CC BY-NC))
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All data

Identification

English name
Finespotted flounder verified
Scientific name
Pleuronichthys cornutus
Family
Pleuronectidae
Other names
Frog flounder; Phantom frog flounder; Ridged-eye flounder verified

Appearance

Size class
Medium verified
Max length (cm)
30.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown inferred
Pattern
Spots inferred
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
2.0 verified
Max depth (m)
170.0 verified
Natural range
Northwest Pacific; sandy and muddy bottoms. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small invertebrates such as worms and molluscs sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Right-eyed flatfish with small bony protrusions near the eyes; bottom fish of soft bottoms. sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Pleuronichthys

More from the family Pleuronectidae

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