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Pygmy scorpionfish (Scorpaenodes scaber) — Scorpaenidae

Pygmy scorpionfish

Scorpaenodes scaber
Family: Scorpaenidae

The Pygmy scorpionfish (Scorpaenodes scaber) is a brackish-water fish of the family Scorpaenidae that grows up to 12 cm.

Length
12 cm
Water
Brackish
Depth
3.0–30.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Venomous / poisonous
Range
Oceania: Australia, China, Taiwan/Ch Taipei, French Polynesia, Djibouti, Japan and others

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Description

The Pygmy scorpionfish is a scorpionfish (Scorpaenidae) from rocky and coral-reef water around Australia and the Indo-West Pacific. The species grows to about 15 cm and has a stocky, red-brown mottled body with a large, spiny, flapped head, strongly camouflaged against the bottom. As a motionless ambush predator it snaps at small fish and crustaceans. The dorsal, head and gill-cover spines are venomous and can give a very painful puncture wound.

Frequently asked questions

How do you recognise the Pygmy scorpionfish?

The Pygmy scorpionfish has a torpedo-shaped body, is mainly red-orange and shows a marbled pattern. Bears venomous spines or tissue; handle with great care.

Where does the Pygmy scorpionfish live?

The Pygmy scorpionfish lives in brackish water and is mostly found around stony or rocky ground. Oceania: Australia, China, Taiwan/Ch Taipei, French Polynesia, Djibouti, Japan and others

How big does the Pygmy scorpionfish get?

The Pygmy scorpionfish grows to a maximum of about 12 cm.

Is the Pygmy scorpionfish dangerous to humans?

The Pygmy scorpionfish is venomous — handle spines with care and seek medical help after a sting if needed. For a sting from a fin spine: rinse the wound, remove any visible spine fragments and immerse the part for 30-90 minutes in water as hot as can be tolerated (about 45 C) to break down the venom. The pain can be severe. For marked swelling, a retained spine or signs of infection seek medical care and check tetanus status.

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All data

Identification

English name
Pygmy scorpionfish sourced
Scientific name
Scorpaenodes scaber
Family
Scorpaenidae
Other names
Pygmy scorpionfish; Scorpionfish; Pygmy rockcod verified

Appearance

Size class
Small verified
Max length (cm)
12.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Red / orange sourced
Pattern
Marbled sourced
Tail shape
Rounded inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Stone or rock sourced
Min depth (m)
3.0 verified
Max depth (m)
30.0 verified
Natural range
Oceania: Australia, China, Taiwan/Ch Taipei, French Polynesia, Djibouti, Japan and others sourced
Origin
Native inferred

Behaviour & biology

Diet
Carnivore inferred
Diet (detail)
Small fishes, crustaceans and invertebrates inferred
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Bears venomous spines or tissue; handle with great care. inferred

For anglers

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

Safety

Danger to humans
Venomous / poisonous verified
First aid
For a sting from a fin spine: rinse the wound, remove any visible spine fragments and immerse the part for 30-90 minutes in water as hot as can be tolerated (about 45 C) to break down the venom. The pain can be severe. For marked swelling, a retained spine or signs of infection seek medical care and check tetanus status. sourced

Status & sources

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

Same genus Scorpaenodes

More from the family Scorpaenidae

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