Family Arapaimidae

Arapaima - Arapaima can reach lengths of more than 2 m , in some exceptional cases even more than 2.

 

Heterotis - Like the other Osteoglossids, the African arowana is a long-bodied fish with large scales, long dorsal and anal fins set far back on the body, and a rounded caudal fin.

Order : Osteoglossiformes
Family : Arapaimidae