African Bonytongue

Found in open waters, over freshwater lakes, flood plains, river basins, and swamps.
Juveniles found in swamps, amongst aquatic vegetation.
Widespread Africa

The name "bonytongues" is derived from a toothed bone on the floor of the mouth, the "tongue", equipped with teeth that bite against teeth on the roof of the mouth. The arowana is a facultative air breather and can obtain oxygen from air by sucking it into its swim bladder.