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Rough flounder (Psettina senta) — Bothidae

Rough flounder

Psettina senta
Family: Bothidae

The Rough flounder (Psettina senta) is a saltwater fish of the family Bothidae that grows up to 7 cm.

Length
7.2 cm
Water
Saltwater
Depth
140–333 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Flatfish
Substrate
Sand / mud bottom
Danger
Harmless
Range
Oceania: Australia

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Description

The Rough flounder is a left-eyed flatfish (Bothidae) from sand and mud bottoms around Australia and the Indo-West Pacific. The species grows to about 18 cm and has a strongly flattened, oval body with both eyes on the left side; the upper side is sand-coloured and mottled for camouflage, the underside pale. As an ambush predator it lies half-buried on the bottom and seizes passing small fish, shrimp and worms. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Rough flounder?

The Rough flounder has a flatfish-shaped body, is mainly brown and shows a spots pattern.

Where does the Rough flounder live?

The Rough flounder lives in the sea (marine waters) and is mostly found around sand or mud bottom. Oceania: Australia

How big does the Rough flounder get?

The Rough flounder grows to a maximum of about 7 cm.

Is the Rough flounder dangerous to humans?

No, the Rough 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.

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All data

Identification

English name
Rough flounder sourced
Scientific name
Psettina senta
Family
Bothidae

Appearance

Size class
Small verified
Max length (cm)
7.2 verified
Body shape
Flatfish sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Rounded

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
140 verified
Max depth (m)
333 verified
Natural range
Oceania: Australia sourced
Origin
Native

Behaviour & biology

Diet
Carnivore
Diet (detail)
Small fishes, crustaceans and invertebrates
Social behaviour
Solitary
Territorial
No
Reproduction
Separate sexes
Sexual dimorphism
No
Seasonality
Present year-round in its habitat; no pronounced seasonality known.

For anglers

Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish.
Regulations source

Safety

Danger to humans
Harmless verified
First aid
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. verified

Status & sources

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

Same genus Psettina

More from the family Bothidae

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