This guide is based on the book Fishes of North Selangor Peat Swamp Forest https://www.mybis.gov.my/pb/3543
The beardless barb (Cyclocheilichthys apogon) is a species of freshwater fish in the family Cyprinidae. It is widespread in Southeast Asia. It grows to 25 cm (9.8 in) total length.
The six-banded tiger barb (Desmopuntius hexazona) is a species of cyprinid fish native to Southeast Asia, from the Mekong drainage basin along the Malay Peninsula to Sumatra and Borneo. This species reaches a length of 5.5 centimetres (2.2 in) TL. It can also be found in the aquarium trade.
The striped barb (Desmopuntius johorensis), is a species of cyprinid fish Cyprinidae native to the Malay Peninsula to Borneo where it is found in the shallows of rivers, streams and ditches. This species can reach a length of 12 centimetres (4.7 in) TL. It is commercially important to local fisheries and can also be found in the aquarium trade.