Kalimantania is a monospecific genus of freshwater ray-finned fish belonging to the family Cyprinidae, the family which includes the carps, barbs, minnows and related fishes. The only species in the genus is Kalimantania lawak, a fish found only in Indonesia where it is known from the Kapuas system in Kalimantan and from Ciliwung, Bogowonto and Brantas river systems in Java.

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