African Bonytongue (Heterotis niloticus)

Also known as African Arowana, Nile Arowana

Description

Also known as African Arowana, Nile Arowana.

Found in freshwater flood plains, river basins and swamps.
They feed on plankton.

Length - 100cm
Depth - 1-?m
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.
Ref: http://www.fishbase.org/summary/Heterotis-niloticus.html

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