| Trigonostigma | |
|---|---|
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| |
| Harlequin rasbora, Trigonostigma heteromorpha | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Cyprinidae |
| Subfamily: | Danioninae |
| Genus: | Trigonostigma Kottelat & K. E. Witte, 1999 |
| Type species | |
| Rasbora heteromorpha Duncker, 1904
| |
Trigonostigma is a genus of small cyprinid fish found in Southeast Asia. These social, colorful freshwater fish are often kept in aquariums.