Home · Cyprinidae · Black rohu
Black rohu (Labeo calbasu) — Cyprinidae

Black rohu

Labeo calbasu
Family: Cyprinidae
LC · Least Concern
NativeIntroduced

The Black rohu (Labeo calbasu) is a brackish-water fish of the family Cyprinidae that grows up to 90 cm.

Length
90 cm
Water
Brackish
Depth
10.0–10.0 m
Diet
Herbivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
South and Southeast Asia
Edibility
Commonly eaten

Want the complete picture on the Black rohu?

Get the app

Description

The orangefin labeo is a large cyprinid from fresh water of South and Southeast Asia. The species grows to about 90 cm and has an elongate, dark-grey to blackish body with orange-tinted fins and an inferior, fleshy sucking mouth. As a bottom-feeder it lives in rivers, lakes and reservoirs and scrapes algae, aufwuchs and detritus from the bottom. It is an important food and farmed fish. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Black rohu?

The Black rohu has a torpedo-shaped body, is mainly black and shows a plain pattern. Dark body with orange fins and a sucker mouth; bottom-foraging farmed labeo

Where does the Black rohu live?

The Black rohu lives in brackish water and is mostly found around sand or mud bottom. South and Southeast Asia

How big does the Black rohu get?

The Black rohu grows to a maximum of about 90 cm.

Is the Black rohu dangerous to humans?

No, the Black rohu 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.

Is the Black rohu edible?

Yes, the Black rohu is commonly eaten.

More photos

Black rohu (Labeo calbasu) — Cyprinidae — 2
iNaturalist ((c) Ganeshwar S V, some rights reserved (CC BY-NC))
Black rohu (Labeo calbasu) — Cyprinidae — 3
iNaturalist ((c) Jyotiraditya Priyadarshi, some rights reserved (CC BY-NC))
Black rohu (Labeo calbasu) — Cyprinidae — 4
iNaturalist ((c) aNat, some rights reserved (CC BY-NC))
Black rohu (Labeo calbasu) — Cyprinidae — 5
Wikimedia Commons — Francis Day (1829–1889) (Public domain)
Fin

Want the complete picture on the Black rohu?

Point your camera at the fish and Fin names the species in seconds. Free, and the Black rohu is one of 12,519 species in the app.

Get the app →

All data

Identification

English name
Black rohu verified
Scientific name
Labeo calbasu
Family
Cyprinidae
Other names
Calbasu; Karnataka labeo; Major carp; Orangefin labeo; Orange-fin labeo verified

Appearance

Size class
Extra large verified
Max length (cm)
90.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Black sourced
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Inferior (downward) sourced
Lips
Thick / fleshy sourced
Barbels
Yes sourced
Dorsal fins
One continuous sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
10.0 verified
Max depth (m)
10.0 verified
Natural range
South and Southeast Asia verified
Origin
Native verified

Behaviour & biology

Diet
Herbivore sourced
Diet (detail)
Algae, biofilm and detritus inferred
Social behaviour
Schooling sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Bottom-foraging river labeo; present year-round. sourced
Special features
Dark body with orange fins and a sucker mouth; bottom-foraging farmed labeo sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Net fishing and aquaculture sourced
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
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 Labeo

More from the family Cyprinidae

Fin

Want the complete picture on the Black rohu?

Point your camera at the fish and Fin names the species in seconds. Free, and the Black rohu is one of 12,519 species in the app.

Get the app →
Is this the Black rohu? Get the app