It is the only genus in the subfamily Leptobarbinae. Leptobarbus hoevenii or "sultan fish" migrate the fresh water rivers of Malaysia and travel at the surface in schools of 40-80 individuals at speeds of 0.48-1.08 km.
It is the only representative of the subfamily Leptobarbinae. Leptobarbus hoevenii or "sultan fish" migrate through Malaysia's freshwater rivers and travel at the surface in schools of 40-80 individuals at speeds of 0.48-1.08 km.