Found in rivers,
streams, canals and ditches. Occurs in medium to large-sized
rivers and enters flooded fields. In east Kalimantan,
Indonesia a temperature range of 20.4-33.7°C was recorded
for this species. Largely herbivorous, consuming aquatic
macrophytes and submerged land plants, as well as
filamentous algae and occasionally insects. Also feeds on
small fishes, worms and crustaceans. Usually marketed fresh.