Trigonostigma
| Trigonostigma | |
|---|---|
| Harlequin rasbora, Trigonostigma heteromorpha | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Danionidae |
| Subfamily: | Rasborinae |
| Genus: | Trigonostigma Kottelat & K. E. Witte, 1999 |
| Type species | |
| Rasbora heteromorpha Duncker, 1904 | |
Trigonostigma is a genus of small freshwater ray-finned fishes belonging to the family Danionidae. The fishes in this genus are found in Southeast Asia. These social, colorful freshwater fish are often kept in aquariums.