Trigonostigma

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: {| class="wikitable" |+ !Species !Common name !Image |- |Trigonostigma espei (Meinken, 1967) |Espei rasbora |frameless|305x305px |- |Trigonostigma hengeli (Meinken, 1956) |Glowlight rasbora |frameless|304x304px |- |Trigonostigma heteromorpha (Duncker, 1904) |Harlequin rasbora |frameless|303x303px |- |Trigonostigma somphongsi (Meinken, 1958) |Somphong's rasbora |left|frameless |- |Trigonostigma truncata (Tan, 2020) | |frameless|305x305px |}