Harlequin Rasbora

Trigonostigma heteromorpha

One of the most recognizable aquarium fish — copper body with a distinctive black triangle marking. Excellent schools, peaceful temperament, and very hardy. A staple of the hobby for over a century.

Quick Facts

Water Parameters

Natural Habitat

Peat swamps and forest streams in Southeast Asia with very soft, acidic, tannin-stained water.

Feeding

Omnivorous. Flake, micro pellets, frozen foods. Easy to feed.

Compatible Tank Mates

Breeding

Unusual breeder — eggs are attached under broad leaves (Cryptocoryne in the wild). Requires very soft, acidic water.

Care Tips

More Barbs