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Scorpion cat-fish (Heteropneustes fossilis) — Heteropneustidae

Scorpion cat-fish

Heteropneustes fossilis
LC · Least Concern
NativeIntroduced

The Scorpion cat-fish (Heteropneustes fossilis) is a brackish-water fish of the family Heteropneustidae that grows up to 41 cm.

Length
41.2 cm
Water
Brackish
Depth
0–1.0 m
Diet
Omnivore
Behaviour
Small groups
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Can cause injury
Range
South Asia; ponds, ditches, swamps and muddy rivers.
Edibility
Commonly eaten

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Description

The stinging catfish is a catfish of the family Heteropneustidae from South Asia. The species grows to about 30 cm commonly, up to over 40 cm and has an elongate, scaleless, laterally compressed body with barbels and long, air-sac breathing organs extending from the gills along the body, with which it can breathe air. It inhabits mainly ponds, ditches, swamps and sometimes muddy rivers, and is farmed in rice fields. It is an omnivore. Notorious is the pectoral fin spine, which contains a potent venom and can cause an extremely painful, sometimes dangerous wound; treat a puncture wound with hot water and seek medical help.

Frequently asked questions

How do you recognise the Scorpion cat-fish?

The Scorpion cat-fish has an elongate, eel-like body, is mainly brown and shows a plain pattern. Air-breathing catfish with air-sac organs; pectoral fin spine with potent, extremely painful venom.

Where does the Scorpion cat-fish live?

The Scorpion cat-fish lives in brackish water and is mostly found around sand or mud bottom. South Asia; ponds, ditches, swamps and muddy rivers.

How big does the Scorpion cat-fish get?

The Scorpion cat-fish grows to a maximum of about 41 cm.

Is the Scorpion cat-fish dangerous to humans?

The Scorpion cat-fish can cause injury; handle it with care. The fin spines are venomous and give a painful, burning puncture wound. Immerse the wound for 30-90 minutes in water as hot as can be tolerated (about 45 C) and seek medical care if pain or infection persists.

Is the Scorpion cat-fish edible?

Yes, the Scorpion cat-fish is commonly eaten.

More photos

Scorpion cat-fish (Heteropneustes fossilis) — Heteropneustidae — 2
Wikimedia Commons — দিব্য দত্ত (Dibya Dutta) (CC BY-SA 4.0)
Scorpion cat-fish (Heteropneustes fossilis) — Heteropneustidae — 3
Wikimedia Commons — MGB CEE (CC BY-SA 4.0)
Scorpion cat-fish (Heteropneustes fossilis) — Heteropneustidae — 4
Paul Schrijvershof (CC BY-NC 4.0) via GBIF
Scorpion cat-fish (Heteropneustes fossilis) — Heteropneustidae — 5
Wikimedia Commons — Шатилло Г.В. (CC BY-SA 3.0)
Fin

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All data

Identification

English name
Scorpion cat-fish verified
Scientific name
Heteropneustes fossilis
Family
Heteropneustidae
Other names
Stinging catfish verified

Appearance

Size class
Large verified
Max length (cm)
41.2 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Plain inferred
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
Yes sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Max depth (m)
1.0 verified
Natural range
South Asia; ponds, ditches, swamps and muddy rivers. inferred
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Insects, small crustaceans, worms, plant material and detritus sourced
Social behaviour
Small groups 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
Air-breathing catfish with air-sac organs; pectoral fin spine with potent, extremely painful venom. 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
Can cause injury sourced
First aid
The fin spines are venomous and give a painful, burning puncture wound. Immerse the wound for 30-90 minutes in water as hot as can be tolerated (about 45 C) and seek medical care if pain or infection persists. sourced

Status & sources

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

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