Trigonostigma
{{Short description|Genus of fishes}}
{{automatic taxobox
| image = Harlequin Rasbora (cropped).jpg
| image_caption = Harlequin rasbora, Trigonostigma heteromorpha
| taxon = Trigonostigma
| authority = Kottelat & K. E. Witte, 1999
| type_species = Rasbora heteromorpha
| type_species_authority = 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.
Species
There are currently five recognized species in this genus:{{FishBase genus | genus = Trigonostigma| month = March| year = 2023}}
| class="wikitable"
|+ !Species !Common Name !Image |
| Trigonostigma espei
(Meinken, 1967) |Espei rasbora |
| Trigonostigma hengeli
(Meinken, 1956) |Glowlight rasbora |
| Trigonostigma heteromorpha
(Duncker, 1904) |Harlequin rasbora |
| Trigonostigma somphongsi
(Meinken, 1958) |Somphong's rasbora |
| Trigonostigma truncata
(Tan, 2020){{cite journal |author1=Tan, H. H. |year=2020 |title=Trigonostigma truncata, a new species of harlequin rasbora from Malay Peninsula (Teleostei: Danionidae). |journal=Raffles Bulletin of Zoology |volume=68 |pages=421–433 |doi=10.26107/RBZ-2020-0058}} | |File:Trigonostigma heteromorpha ซิวข้างขวานใหญ่ (cropped).jpg |
