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Bony fish

Harlequin Rasbora

Trigonostigma heteromorpha

Also known as: Harlequin Fish, Red Rasbora

LCLeast ConcernIUCN Red List, 2020
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Adult
@VVarren · Home, Australia · July 20171 / 2
01

Overview

Found in large schools, in areas of well vegetated, forest streams, and peaty swamps.
Widespread Asia

Very common in the aquarium trade.
Cyprinids are stomachless fish with toothless jaws.

02

How to identify

COLOURS
Behaviour
schooling

Tap any trait to see other fish that share it.

03

Habitat & where to find it

  • Exact location · 1
  • Country only · 1
LIVES IN

Found in large schools, in areas of well vegetated, forest streams, and peaty swamps.

04

Adult photos 2

05

Discussion

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    ALL STAGES
    FOR THE MARINE-BIOLOGY CURIOUS

    Deep dive

    Taxonomy

    1. familyDanionidae
    2. genusTrigonostigma
    3. speciesTrigonostigma heteromorpha (Duncker, 1904)

    SourcesWoRMSFishBase

    06

    More in the family

    Danios (Danionidae)

    Blackline Rasbora

    Rasbora borapetensis

    3 photos

    Brilliant Rasbora

    Rasbora einthovenii

    1 photo

    Clown Rasbora

    Rasbora kalochroma

    1 photo

    Eyespot Rasbora

    Brevibora dorsiocellata

    1 photo

    Flying Barb

    Esomus danrica

    1 photo

    Giant Danio

    Devario aequipinnatus

    5 photos

    Glowlight Danio

    Danio choprae

    1 photo

    Graceful Rasbora

    Trigonopoma gracile

    1 photo

    Indian Glass Barb

    Laubuka laubuca

    1 photo

    Lambchop Rasbora

    Trigonostigma espei

    1 photo

    Rose Danio

    Danio roseus

    1 photo

    Scissortail Rasbora

    Rasbora trilineata

    1 photo