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  • How many teeth of shark are there?

    How many teeth of shark are there?

    25 March 2013

    Sharks are one of the most popular and most dangerous fish species ever. Shark name is today using for a limited species but it is including a wide range actually. According to researches, origins of sharks were living 420 million years ago. Today there are 470 known species of them. A shark type known as […]