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Blackline rasbora (Rasbora borapetensis) — Cyprinidae

Blackline rasbora

Rasbora borapetensis
Family: Cyprinidae

The Blackline rasbora (Rasbora borapetensis) is a freshwater fish of the family Cyprinidae that grows up to 10 cm.

Length
10 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless
Edibility
Commonly eaten

Description

The Blackline rasbora is a rasbora, a small cyprinid (Danionidae) from fresh water of Southeast Asia, in the Mekong and Chao Phraya basins. The species grows to about 10 cm and has a slender, silvery body. A black longitudinal line runs over the flank above a golden band, with a red tail base. As a lively schooling fish it swims in clear streams, rivers and blackwater and eats small insects, larvae and zooplankton. The fish is harmless to humans and is popular in the aquarium trade.

Frequently asked questions

How do you recognise the Blackline rasbora?

The Blackline rasbora has an elongate, eel-like body and is mainly silver-grey.

Where does the Blackline rasbora live?

The Blackline rasbora lives in fresh water and is mostly found around mixed bottom.

How big does the Blackline rasbora get?

The Blackline rasbora grows to a maximum of about 10 cm.

Is the Blackline rasbora dangerous to humans?

No, the Blackline rasbora is harmless to humans.

Is the Blackline rasbora edible?

Yes, the Blackline rasbora is commonly eaten.

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All data

Identification

Dutch name
Zwartlijn-rasbora sourced
English name
Blackline rasbora sourced
Scientific name
Rasbora borapetensis
Family
Cyprinidae
Other names
Blackline rasbora; Borapet rasbora; Red tail rasbora; Redtail rasbora verified

Appearance

Size class
Small verified
Max length (cm)
10.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Social behaviour
Schooling sourced
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Edibility
Commonly eaten inferred
Fishing method
Klein van stuk en nauwelijks een hengelsportdoel; wordt vooral incidenteel of als aasvis gevangen. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

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

Same genus Rasbora

More from the family Cyprinidae

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