RARE AROWANA fish in the world, amazing and expensive arowana

Arowanas are freshwater bony fish of the family Osteoglossidae, also known as bony tongues. In this family of fish, the head is bony and the elongated body is covered by large, heavy scales, with a mosaic pattern of canals. The dorsal and anal fins have soft rays and are long based, while the pectoral and ventral fins are small. The #arowana​ is a facultative air breather and can obtain oxygen from air by sucking it into its swim bladder, which is lined with capillaries like lung tissue.

Arowana are one of the attractive #aquarium​ fish they are aggressive, high jumpers and uniquely mouth brooders. They originate from South America and found in several Asian rivers and lakes as well. These fascinating #fish​ are kept in aquariums and cost differently based on their scale coloration, presence of golden texture or priced based on the effort needed to breed them.