A hardy small fish with island wide distribution though abundant in wet zone. It can be found in rivers and streams of lowlands as well as hills (both in wet and dry zone), tanks, swamps, etc. According to the Pethiyagoda R. it is one of the few fishes found in montane streams above 1500 m elevation (Pethiyagoda R. ,1991) It feeds mainly on green algae and detritus. Redside Barb is a prolific breeder and spawn among weeds in shallow water with the onset of rains.