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Filament catfish (Hara filamentosa) — Erethistidae

Filament catfish

Hara filamentosa
Family: Erethistidae

The Filament catfish (Hara filamentosa) is a freshwater fish of the family Erethistidae that grows up to 5 cm.

Length
5 cm
Water
Freshwater
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Can cause injury
Range
Asia: Myanmar, Thailand

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Description

The Filament catfish is a small sisorid catfish (Sisoridae) from fast-flowing, clear fresh water of northeastern India and Bangladesh. The species grows to about 5 cm and has a flattened, scaleless body with a broad head, fringed barbels and a groove on the chest with which it clings to stones in current. As a nocturnal bottom-dweller it searches among gravel and stones for insect larvae and small invertebrates. The stout pectoral spines can give a painful puncture wound when handled.

Frequently asked questions

How do you recognise the Filament catfish?

The Filament catfish has an elongate, eel-like body and is mainly brown. Bears sharp spines, plates or strong jaws that can cause cuts or puncture wounds; handle with care.

Where does the Filament catfish live?

The Filament catfish lives in fresh water and is mostly found around stony or rocky ground. Asia: Myanmar, Thailand

How big does the Filament catfish get?

The Filament catfish grows to a maximum of about 5 cm.

Is the Filament catfish dangerous to humans?

The Filament catfish can cause injury; handle it with care. For a cut or puncture from a sharp fin spine: rinse the wound with clean water, apply pressure to stop bleeding and cover with a sterile dressing. Check that no spine fragment remains and watch for signs of infection; for a deep wound update tetanus protection.

More photos

Filament catfish (Hara filamentosa) — Erethistidae — 2
Florida Museum of Natural History Ichthyology (CC BY-NC 4.0) via GBIF — UF
Filament catfish (Hara filamentosa) — Erethistidae — 3
Florida Museum of Natural History Ichthyology (CC BY-NC 4.0) via GBIF — UF
Fin

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All data

Identification

English name
Filament catfish sourced
Scientific name
Hara filamentosa
Family
Erethistidae

Appearance

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

Habitat & distribution

Water type
Freshwater sourced
Substrate
Stone or rock sourced
Natural range
Asia: Myanmar, 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
Special features
Bears sharp spines, plates or strong jaws that can cause cuts or puncture wounds; handle with 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
Can cause injury verified
First aid
For a cut or puncture from a sharp fin spine: rinse the wound with clean water, apply pressure to stop bleeding and cover with a sterile dressing. Check that no spine fragment remains and watch for signs of infection; for a deep wound update tetanus protection. sourced

Status & sources

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

Same genus Hara

More from the family Erethistidae

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