Protomyzon
Protomyzon is a genus of ray-finned fish belonging to the family Gastromyzontidae, commonly called the hillstream loaches, although this also refers to the loaches in the family Balitoridae. The loaches in this genus are endemic to Borneo.
Species
There are currently four recognized species in this genus:Protomyzon aphelocheilus Inger & P. K. Chin, 1962Protomyzon borneensis Hora & Jayaram, 1952Protomyzon griswoldi Hora & Jayaram, 1952)- ''Protomyzon whiteheadi''