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Forest walking catfish (Clarias leiacanthus) — Clariidae

Forest walking catfish

Clarias leiacanthus
Family: Clariidae

The Forest walking catfish (Clarias leiacanthus) is a freshwater fish of the family Clariidae that grows up to 33 cm.

Length
33 cm
Water
Freshwater
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Asia: Indonesia, Malaysia, Thailand

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Description

The forest walking catfish is a walking catfish (Clariidae) from fresh water of Sundaland in Southeast Asia. The species grows to about 33 cm and has an elongate, dark, scaleless body with a flattened head, four pairs of barbels and a very long dorsal fin. Thanks to an air-breathing organ it survives in oxygen-poor forest streams and swamps and can 'walk' over moist land to new water. As a nocturnal omnivore it searches for worms, insects, small fish and detritus. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Forest walking catfish?

The Forest walking catfish has an elongate, eel-like body and is mainly brown.

Where does the Forest walking catfish live?

The Forest walking catfish lives in fresh water and is mostly found around sand or mud bottom. Asia: Indonesia, Malaysia, Thailand

How big does the Forest walking catfish get?

The Forest walking catfish grows to a maximum of about 33 cm.

Is the Forest walking catfish dangerous to humans?

No, the Forest walking 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.

More photos

Forest walking catfish (Clarias leiacanthus) — Clariidae — 2
iNaturalist ((c) Romadlon, some rights reserved (CC BY-NC))
Forest walking catfish (Clarias leiacanthus) — Clariidae — 3
iNaturalist ((c) Ganjar Cahyadi, some rights reserved (CC BY-NC))
Forest walking catfish (Clarias leiacanthus) — Clariidae — 4
iNaturalist ((c) Rui, some rights reserved (CC BY-NC))
Forest walking catfish (Clarias leiacanthus) — Clariidae — 5
iNaturalist ((c) Hendra, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Forest walking catfish sourced
Scientific name
Clarias leiacanthus
Family
Clariidae

Appearance

Size class
Medium verified
Max length (cm)
33.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Tail shape
Rounded inferred
Barbels
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Asia: Indonesia, Malaysia, Thailand 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
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. 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

Same genus Clarias

More from the family Clariidae

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