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Whitehead's hillstream loach (Protomyzon whiteheadi) — Balitoridae

Whitehead's hillstream loach

Protomyzon whiteheadi
Family: Balitoridae

The Whitehead's hillstream loach (Protomyzon whiteheadi) is a freshwater fish of the family Balitoridae that grows up to 5 cm.

Length
5 cm
Water
Freshwater
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless
Range
Asia: Brunei Darsm, Indonesia, Malaysia

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Description

Whitehead's hillstream loach is a hillstream loach (Balitoridae) from fast-flowing fresh water of Borneo in Southeast Asia. The species grows to about 6 cm and has a flattened, streamlined body with broad, horizontally spread pectoral and pelvic fins that together form a suction disc with which it clings to smooth stones in the current. As a bottom-dweller it rasps algae and biofilm from rocks in clear, oxygen-rich streams. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Whitehead's hillstream loach?

The Whitehead's hillstream loach has an elongate, eel-like body, is mainly brown and shows a spots pattern.

Where does the Whitehead's hillstream loach live?

The Whitehead's hillstream loach lives in fresh water and is mostly found around stony or rocky ground. Asia: Brunei Darsm, Indonesia, Malaysia

How big does the Whitehead's hillstream loach get?

The Whitehead's hillstream loach grows to a maximum of about 5 cm.

Is the Whitehead's hillstream loach dangerous to humans?

No, the Whitehead's hillstream loach 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
Whitehead's hillstream loach sourced
Scientific name
Protomyzon whiteheadi
Family
Balitoridae

Appearance

Size class
Small verified
Max length (cm)
5.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Stone or rock sourced
Natural range
Asia: Brunei Darsm, Indonesia, Malaysia sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
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 Balitoridae

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