It explains sharks ecology in detail. It touches about the structures of teeth and the Rorenteni organ.
Animation to explain shark teeth and skins. Shark teeth rotate outside, and it molts and it explains drinking in detail.
From the TV program of Japan. Ecology of unknown shark. Whale shark, Great white shark, and hammerhead, etc.The image of the crowd of whale shark is unusual.
Various shark introduction animations. White tip shark, Whale shark, and Hammmerhead shark, etc.
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