Live fish · WA only
Harlequin Rasbora (Trigonostigma heteromorpha)

The classic copper rasbora with a black wedge, easy and peaceful.

Care levelEasy, a great first fish
EasyModerateExpert
Water temperature23 to 28°C
18°C32°C
Group sizeKeep 5 or more
Adult size4.5cm
LivesMiddle
DietOmnivore
SuitsCommunity tanksPlanted tanksBeginners

Harlequin Rasbora

Trigonostigma heteromorpha4.6(28)reviews
Easy carePeacefulKeep 5+
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Best kept in a group, so most scapers start with a pack of five.

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Live fish delivery, WA only$35 Perth metro and Mandurah, $65 rest of WA. One fee covers your whole order, plants and dry goods included. Sent overnight on Tuesdays and Wednesdays to a street address (no PO Boxes).
Free pickup in KenwickOpen Tue to Sat, 12pm to 6pm

The classic copper rasbora with a black wedge, easy and peaceful.

Care levelEasy, a great first fish
EasyModerateExpert
Water temperature23 to 28°C
18°C32°C
Group sizeKeep 5 or more
Adult size4.5cm
LivesMiddle
DietOmnivore
SuitsCommunity tanksPlanted tanksBeginners

Pairs well with this fish

Picked by our team to go with this.

Fritz Complete Water Conditioner 236ml/8oz $24.95
Sera Flora Flakes From $10.95
Ambulia $4.50
About this fish

Harlequin Rasbora is a classic schooling fish known for its bold black marking and calm nature.

Why you will love it

  • Iconic triangular marking
  • Strong schooling behavior
  • Approx size: 4–5 cm
  • Hardy and peaceful
  • Best in groups of 5+

Care requirements

  • Care level: Easy
  • Adult size: 4–5 cm
  • Temperature: 24 to 28 °C
  • pH: 6.0 to 7.5
  • Swimming level: Mid
  • Minimum group size: 5+

Feeding: Varied diet.
Compatibility: Excellent community fish.
School of Scape quality: We select healthy fish and recommend acclimation and stable parameters for best results.

How your fish arrive

Packed in oxygen filled bags inside an insulated box and sent overnight by air express on Tuesdays and Wednesdays.

Live arrival

8 hour live arrival guarantee. If a fish arrives dead or clearly stressed from transit, contact us within 8 hours of delivery with photos of the fish in the original sealed bag, and we will replace or refund it. Freight is not refundable, and someone needs to be home to accept the delivery. Remote far north WA (Gascoyne, Pilbara and Kimberley) is sent at your own risk.

Read the full policy

Delivery and returns

Free delivery over $100 in WA and $150 elsewhere in Australia. Free pickup from our Kenwick store, Tue to Sat, 12pm to 6pm.

Returns policy