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Smooth flounder (Pleuronectes putnami) — Pleuronectidae

Smooth flounder

Pleuronectes putnami

The Smooth flounder (Pleuronectes putnami) is a fish of the family Pleuronectidae that grows up to 32 cm.

Length
32 cm
Diet
Carnivore
Behaviour
Solitary
Substrate
Sand / mud bottom
Danger
Harmless
Range
Northwest Atlantic; shallow coastal waters, bays and estuaries.
Edibility
Rarely eaten

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Description

The smooth flounder is a righteye flatfish of the family Pleuronectidae from the northwestern Atlantic Ocean. The species has a flattened, oval body with both eyes on the right side and a conspicuously smooth skin between the eyes, to which the name refers. It inhabits soft mud and sand bottoms of shallow coastal waters, bays and estuaries, and tolerates brackish water. As a bottom predator it feeds on small invertebrates such as worms, crustaceans and molluscs. The species is harmless to humans.

Frequently asked questions

How do you recognise the Smooth flounder?

The Smooth flounder is mainly brown and shows a plain pattern. Right-eyed flatfish with smooth skin between the eyes; tolerates brackish water in estuaries.

Where does the Smooth flounder live?

The Smooth flounder is mostly found around sand or mud bottom. Northwest Atlantic; shallow coastal waters, bays and estuaries.

How big does the Smooth flounder get?

The Smooth flounder grows to a maximum of about 32 cm.

Is the Smooth flounder dangerous to humans?

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

Is the Smooth flounder edible?

The Smooth flounder is rarely eaten.

More photos

Smooth flounder (Pleuronectes putnami) — Pleuronectidae — 2
iNaturalist ((c) Eric Knopf, some rights reserved (CC BY-NC))
Smooth flounder (Pleuronectes putnami) — Pleuronectidae — 3
Wikimedia Commons — David Starr Jordan (Public domain)
Smooth flounder (Pleuronectes putnami) — Pleuronectidae — 4
iNaturalist ((c) Claude Nozères, some rights reserved (CC BY-NC))
Smooth flounder (Pleuronectes putnami) — Pleuronectidae — 5
iNaturalist ((c) sswa, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Smooth flounder sourced
Scientific name
Pleuronectes putnami
Family
Pleuronectidae
Other names
American smooth flounder

Appearance

Size class
Medium verified
Max length (cm)
32.0 sourced
Dominant colour
Brown inferred
Pattern
Plain inferred
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Substrate
Sand / mud bottom sourced
Natural range
Northwest Atlantic; shallow coastal waters, bays and estuaries. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Worms, crustaceans 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 smooth skin between the eyes; tolerates brackish water in estuaries. sourced

For anglers

Edibility
Rarely 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 Pleuronectes

More from the family Pleuronectidae

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