| Arowanas are freshwater bony fish of the family Osteoglossidae, also known as bonytongues. In this family of fishes, the head is bony and the elongate body is covered by large, heavy scales, with a mosaic pattern of canals. The dorsal and the anal fins have soft rays and are long based, while the pectoral and ventral fins are small. 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 fish can obtain oxygen from air by sucking it into the swim bladder, which is lined with capillaries like lung tissue. The arowana is an "obligatory air breather". Arowana fish are considered capable of catching negative vibrations of an intruder, then it will alert its owner by reacting in hyper and aggressive manner (such as hitting the wall of aquarium, jumping etc). To some extent, the fish would also jump out of the aquarium to commit suicide so that negativities couId be diffused in exchange for its life. It is also said that the fish possess ability to stay focus and understand human language. If you have arowana fish and going to sell it, dont say it in front of the fish and let it know, the fish will jump out from the aquarium and commit suicide. |
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