Sharks and rays

The word "shark" has become nominative. If we call someone shark, then we want to emphasize his unlimited appetites, its cruelty, greed. And indeed, shark with his habits gives every reason to treat it as a cruel predator. However, those who have read this book now know that sharks are different. Yes, they need to be afraid, but it is impossible to forget that they are part of nature. This nature made a shark by an ideal murder gun: there is practically no one in the aquatic element, who would feel safe next to the shark. And what are her perfect forms! Close: Does the modern submarines do not repeat the outlines of the shark?
You will get acquainted with sharks - one of the most ancient inhabitants of our planet. Sharks burned the oceans long before it did on the ground its first steps of a distant ancestor of man. But what is interesting: they practically did not change. Is it not because with such the initial perfection of the evolution of them practically did not need?