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Truncated sea catfish (Cryptarius truncatus) — Ariidae

Truncated sea catfish

Cryptarius truncatus
Family: Ariidae

The Truncated sea catfish (Cryptarius truncatus) is a brackish-water fish of the family Ariidae that grows up to 42 cm.

Length
42 cm
Water
Brackish
Diet
Carnivore
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Venomous / poisonous
Range
Asia: Cambodia, Indonesia, Malaysia, Thailand

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Description

The truncated sea catfish is a sea catfish (Ariidae) from turbid estuarine and mangrove water of Sundaland in Southeast Asia. The species grows to about 35 cm and has a sturdy, greyish, scaleless body with three pairs of barbels, an adipose fin and a truncated snout. As a bottom-dweller it searches over sand and mud for worms, crustaceans and small fish; the male broods the large eggs in his mouth. The dorsal and pectoral spines are venomous and can give a painful puncture wound.

Frequently asked questions

How do you recognise the Truncated sea catfish?

The Truncated sea catfish has an elongate, eel-like body and is mainly silver-grey. Bears venomous spines or tissue; handle with great care.

Where does the Truncated sea catfish live?

The Truncated sea catfish lives in brackish water and is mostly found around sand or mud bottom. Asia: Cambodia, Indonesia, Malaysia, Thailand

How big does the Truncated sea catfish get?

The Truncated sea catfish grows to a maximum of about 42 cm.

Is the Truncated sea catfish dangerous to humans?

The Truncated sea catfish 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.

More photos

Truncated sea catfish (Cryptarius truncatus) — Ariidae — 2
iNaturalist ((c) Keith Martin-Smith, some rights reserved (CC BY-NC-SA))
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All data

Identification

English name
Truncated sea catfish sourced
Scientific name
Cryptarius truncatus
Family
Ariidae
Other names
Catfish sourced

Appearance

Size class
Large verified
Max length (cm)
42.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred
Barbels
Yes sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Natural range
Asia: Cambodia, Indonesia, Malaysia, Thailand sourced
Origin
Native inferred

Behaviour & biology

Diet
Carnivore inferred
Diet (detail)
Small fishes, crustaceans and invertebrates inferred
Territorial
No inferred
Activity
Nocturnal 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
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. 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

More from the family Ariidae

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