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Flounder (Pseudorhombus jenynsii) — Paralichthyidae

Flounder

Pseudorhombus jenynsii
LC · Least Concern

The Flounder (Pseudorhombus jenynsii) is a brackish-water fish of the family Paralichthyidae that grows up to 34 cm.

Length
34 cm
Water
Brackish
Depth
0–150.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Flat / disc-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Around Australia; estuaries and sandy and muddy bottoms off the coast.
Edibility
Commonly eaten

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Description

The smalltooth flounder is a flatfish (Paralichthyidae) from the waters around Australia. The species is a left-eyed flatfish with an oval, strongly flattened, mottled body that camouflages it against the bottom. It occurs in estuaries and farther offshore over sand and mud bottoms. As an ambush hunter it takes various bottom animals such as crustaceans, worms and small fishes. It is a local food fish. The species is harmless to humans.

Frequently asked questions

How do you recognise the Flounder?

The Flounder has a flattened, disc-shaped body, is mainly brown and shows a marbled pattern. Left-eyed, marbled flatfish; ambush predator of sandy and muddy bottoms and estuaries.

Where does the Flounder live?

The Flounder lives in brackish water and is mostly found around sand or mud bottom. Around Australia; estuaries and sandy and muddy bottoms off the coast.

How big does the Flounder get?

The Flounder grows to a maximum of about 34 cm. On average the species is around 23 cm.

Is the Flounder dangerous to humans?

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

Is the Flounder edible?

Yes, the Flounder is commonly eaten.

More photos

Flounder (Pseudorhombus jenynsii) — Paralichthyidae — 2
iNaturalist ((c) Hiroya Kidoguchi, some rights reserved (CC BY-NC))
Flounder (Pseudorhombus jenynsii) — Paralichthyidae — 3
iNaturalist ((c) Janine Baker, some rights reserved (CC BY-NC))
Flounder (Pseudorhombus jenynsii) — Paralichthyidae — 4
Harry Rosenthal (CC BY-NC 4.0) via GBIF — iNaturalist
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All data

Identification

English name
Flounder verified
Scientific name
Pseudorhombus jenynsii
Family
Paralichthyidae
Other names
Jenyn's flounder; Small toothed flounder; Smalltooth flounder; Small-toothed flounder verified

Appearance

Size class
Medium verified
Max length (cm)
34.0 verified
Average length (cm)
22.5 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown inferred
Pattern
Marbled 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

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Max depth (m)
150.0 verified
Natural range
Around Australia; estuaries and sandy and muddy bottoms off the coast. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Benthic invertebrates: crustaceans, worms and small fishes 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
Left-eyed, marbled flatfish; ambush predator of sandy and muddy bottoms and estuaries. 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 Pseudorhombus

More from the family Paralichthyidae

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