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Jacobson's rasbora (Rasbora jacobsoni) — Cyprinidae

Jacobson's rasbora

Rasbora jacobsoni
Family: Cyprinidae

The Jacobson's rasbora (Rasbora jacobsoni) is a freshwater fish of the family Cyprinidae that grows up to 5 cm.

Length
4.7 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless

Description

The Jacobson's rasbora is a small cyprinid (Cyprinidae) from fresh water of Sumatra in Southeast Asia. The species grows to about 7 cm and has a slender, laterally compressed, silvery body, often with a dark longitudinal stripe or spot. As a social schooling fish it swims in clear streams, rivers and forest pools and snaps at small zooplankton, insect larvae and algae. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Jacobson's rasbora?

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

Where does the Jacobson's rasbora live?

The Jacobson's rasbora lives in fresh water and is mostly found around open water.

How big does the Jacobson's rasbora get?

The Jacobson's rasbora grows to a maximum of about 5 cm.

Is the Jacobson's rasbora dangerous to humans?

No, the Jacobson's rasbora is harmless to humans.

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All data

Identification

Dutch name
Jacobsons rasbora sourced
English name
Jacobson's rasbora sourced
Scientific name
Rasbora jacobsoni
Family
Cyprinidae

Appearance

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

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water 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

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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