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Páginas: 4 (771 palabras)
Publicado: 15 de junio de 2012
present
the Sharks are fish versatileand have sense very sharp, many of his species are capable of hunt and devour to almost any other animal marine, so in seas deeps as in seas not muchdeeps. these two flourish explain his long history evolutionary,many of the species of sharks of our days are very similar to species that swimming in thee seas of the cretaceous, it does more than100 million years. show also a great variability regarding his behavior and to his size. the sharks whale is the sharks most big, and also the fish most big of all the seas, reaches 15 m of length.there are species on the contrary that that measure less than 50 cm. the sharks are fish envelope all marines, and that abound in water tropicals and subtropical. much species migrate going up therivers, as the shark bull that reanch to lake Nicaragua, in America Central. the sharks are known as aggressive carnivorous which may even attack members of their own species, but two of the of larger...
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