Silver arowana

Arowana ( Osteoglossum bicirrhosum )

Called The Arowana ( Osteoglossum bicirrhosum ), also silver fork beard, Aruanã or Arahuana, a South American freshwater predatory fish from the family of osteoglossid is ( Osteoglossidae ).

Dissemination

The fish lives in the river basin of the Amazon, the Araguaia and in the Rupununi in southern Guyana and in Oyapock on the border between French Guiana and Brazil.

Features

The fish have an elongated ribbon-shaped, strongly laterally compressed and covered with large scales body, which can be up to 1.20 meters long. The mouth is very large and upper constant. At the end of the lower jaw there are two bluish or greenish barbels. Dorsal and anal fins are very long and extend to the caudal fin. Adult fish are silvery, juveniles greenish yellow.

Way of life

Arowanas keep preferably in the heavily vegetated backwaters of rivers. They feed on insects, small frogs and lizards. You can reach her ​​sitting over the water towering branches prey by selective jumps of up to two meters in height. Arowanas are mouth brooders, after being laid in a sand pit the male takes the more than 1.5 centimeters eggs into his mouth. The boys left the mouth after 50 to 60 days and are then been ten inches long.