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Unarmed stream catfish (Pseudobagarius inermis) — Akysidae

Unarmed stream catfish

Pseudobagarius inermis
Family: Akysidae

The Unarmed stream catfish (Pseudobagarius inermis) is a freshwater fish of the family Akysidae that grows up to 4 cm.

Length
3.5 cm
Water
Freshwater
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Asia: Laos

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Description

The unarmed stream catfish is a small stream catfish (Akysidae) from clear streams and rivers of Southeast Asia. The species grows to about 5 cm and has a slender, rough-skinned, brown body with barbels around the mouth, strongly camouflaged among sand and leaf litter. As a nocturnal bottom-dweller it searches among gravel and stones for small insect larvae and invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Unarmed stream catfish?

The Unarmed stream catfish has an elongate, eel-like body and is mainly brown.

Where does the Unarmed stream catfish live?

The Unarmed stream catfish lives in fresh water and is mostly found around sand or mud bottom. Asia: Laos

How big does the Unarmed stream catfish get?

The Unarmed stream catfish grows to a maximum of about 4 cm.

Is the Unarmed stream catfish dangerous to humans?

No, the Unarmed stream catfish 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
Unarmed stream catfish sourced
Scientific name
Pseudobagarius inermis
Family
Akysidae

Appearance

Size class
Small verified
Max length (cm)
3.5 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Tail shape
Forked inferred
Barbels
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Asia: Laos sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Activity
Nocturnal sourced
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. 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
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

More from the family Akysidae

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