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Stone loach (Barbatula toni) — Nemacheilidae

Stone loach

Barbatula toni
Family: Nemacheilidae
LC · Least Concern

The Stone loach (Barbatula toni) is a freshwater fish of the family Nemacheilidae that grows up to 20 cm.

Length
19.8 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Small groups
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Northeast Asia; cool flowing streams, rivers and lakes.
Edibility
Rarely eaten

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Description

The stone loach is a stone loach (Nemacheilidae) from northeastern Asia. The species is small and has an elongate, mottled body with barbels around the mouth. It inhabits cool, clear-flowing streams and rivers with a bottom of gravel and stones, and also lakes. Bottom-bound, it searches by touch with its barbels for insect larvae, small crustaceans and detritus. The species is harmless to humans.

Frequently asked questions

How do you recognise the Stone loach?

The Stone loach has an elongate, eel-like body, is mainly brown and shows a marbled pattern. Bottom-probing loach of cool, clear flowing streams; searches for prey with its barbels.

Where does the Stone loach live?

The Stone loach lives in fresh water and is mostly found around sand or mud bottom. Northeast Asia; cool flowing streams, rivers and lakes.

How big does the Stone loach get?

The Stone loach grows to a maximum of about 20 cm.

Is the Stone loach dangerous to humans?

No, the Stone loach is harmless to humans. None required: this species is harmless to humans.

Is the Stone loach edible?

The Stone loach is rarely eaten.

More photos

Stone loach (Barbatula toni) — Nemacheilidae — 2
Wikimedia Commons — Atsuya Yamamoto, Kota Tabata, Tomohiro Fukushige, Takuya Inoue (CC BY 4.0)
Stone loach (Barbatula toni) — Nemacheilidae — 3
iNaturalist ((c) Alexey P. Seregin, some rights reserved (CC BY-NC))
Stone loach (Barbatula toni) — Nemacheilidae — 4
iNaturalist ((c) Nyambayar Batbayar, some rights reserved (CC BY-NC))
Stone loach (Barbatula toni) — Nemacheilidae — 5
iNaturalist ((c) 管牧山, some rights reserved (CC BY-NC))
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All data

Identification

English name
Stone loach sourced
Scientific name
Barbatula toni
Family
Nemacheilidae

Appearance

Size class
Medium verified
Max length (cm)
19.8 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Marbled inferred
Tail shape
Straight inferred
Mouth position
Inferior (downward) inferred
Lips
Thick / fleshy inferred
Barbels
Yes sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Northeast Asia; cool flowing streams, rivers and lakes. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Insect larvae, small crustaceans and detritus sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Nocturnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Bottom-probing loach of cool, clear flowing streams; searches for prey with its barbels. sourced

For anglers

Edibility
Rarely eaten sourced
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 sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Barbatula

More from the family Nemacheilidae

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