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Rhombus barb (Barbodes rhombeus) — Cyprinidae

Rhombus barb

Barbodes rhombeus
Family: Cyprinidae
NativeIntroduced

The Rhombus barb (Barbodes rhombeus) is a freshwater fish of the family Cyprinidae that grows up to 7 cm.

Length
6.5 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Asia: Cambodia, Laos, Malaysia, Thailand

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Description

The rhombus barb is a small cyprinid (Cyprinidae) from fresh water of Southeast Asia. The species grows to about 7 cm and has a stocky, silvery body with a few dark spots. It lives in schools in clear streams and rivers and eats small invertebrates, algae and plant material. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Rhombus barb?

The Rhombus barb has a torpedo-shaped body and is mainly silver-grey.

Where does the Rhombus barb live?

The Rhombus barb lives in fresh water and is mostly found around mixed bottom. Asia: Cambodia, Laos, Malaysia, Thailand

How big does the Rhombus barb get?

The Rhombus barb grows to a maximum of about 7 cm.

Is the Rhombus barb dangerous to humans?

No, the Rhombus barb 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

Rhombus barb (Barbodes rhombeus) — Cyprinidae — 2
iNaturalist ((c) Павлик Лисицын, some rights reserved (CC BY))
Rhombus barb (Barbodes rhombeus) — Cyprinidae — 3
iNaturalist ((c) muangpaisuetrong, some rights reserved (CC BY-NC))
Rhombus barb (Barbodes rhombeus) — Cyprinidae — 4
iNaturalist ((c) arthurlk11, some rights reserved (CC BY-NC))
Rhombus barb (Barbodes rhombeus) — Cyprinidae — 5
iNaturalist ((c) Adam hood, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Rhombus barb sourced
Scientific name
Barbodes rhombeus
Family
Cyprinidae

Appearance

Size class
Small verified
Max length (cm)
6.5 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
Asia: Cambodia, Laos, Malaysia, Thailand sourced
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Diet (detail)
Invertebrates, algae and detritus inferred
Social behaviour
Schooling sourced
Territorial
No inferred
Activity
Diurnal 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

Same genus Barbodes

More from the family Cyprinidae

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