|Common name||Harlequin, Red rasbora
|Scientific name||Trigonostigma heteromorpha|
|Synonyms||Formerly known as Rasbora heteromorpha.|
|Tank setup||Planted tank with small and peaceful tank mates. Subdued lighting.|
|Compatibility||Peaceful community fish.|
|Water chemistry||Fairly soft, slightly acidic (pH 6.0-6.5) preferred.|
|Feeding||Omnivorous, most foods accepted - flake, granular food, micro-pellets and small frozen/live foods.|
|Sexing||The black region on males is slightly extended and rounded at the
bottom. Females have a straight edge to the black portion.|
|Breeding||Very soft, mature acidic water required. Remove parents after spawning,
eggs hatch in 24 hours.|
This fish is definitely seen at its best when in a larger shoal of at least 8-10 individuals.
A well established aquarium with good filtration is necessary to maintain them in good condition.
A second species (T. espei) has very similar markings and may also be sold under the name 'Harlequin'.