How full of wonders the worl is! Here 5th thousands of unknown wonders.

The incredible events of the world hidden under the shade of our imagination to discover.The crocodilians are always in the fear of this fish. This is nothing but a kind of large ferocious fish. The name of the fish is Water Giant Tiger-Fish. It's another name is Water-Hyena. It weight about 50kg. And the lentgh is 7fit. Its bidy has many spacial air sacs which help it to follow the sound of it's prey and float.