Purple Harlequin Rasbora Care Guide

Trigonostigma heteromorpha

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Bioload Score

1600

PeacefulEasy
Max Size
5 cm / 2"
Temperature
22–28°C (72–82°F)
pH Range
5 – 7.5
Min Tank Size
60L (16 gal)
Min Group Size
6 fish
Tank Level
Bottom-Mid
Origin
Asia
Temperament
Peaceful
Difficulty
Easy
Breeding Difficulty
Moderate

Diet

An omnivore that eats small insects, crustaceans, worms, zooplankton and plant matter.

Community Compatibility

Suitable tankmates include other peaceful rasboras, small tetras, danios, Corydoras, kuhli loaches and small non-aggressive dwarf shrimp.

Good to Know

The Purple Harlequin Rasbora is a selectively bred colour form of Trigonostigma heteromorpha, a species whose distinctive triangular flank patch inspired its harlequin name.

Gender Differences

Females are generally deeper-bodied with a fuller abdomen, while males are slimmer and often show a more sharply defined black triangular marking.

Stock Purple Harlequin Rasbora in Your Tank

Use our free stocking calculator to see if Purple Harlequin Rasbora fits your aquarium