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How big is the shark?
80% species of sharks are below 1.6m in length, and most sharks are small fish. Among sharks, the largest whale shark, also called Whale Pattern, is 20 meters long and weighs 7000-8000kg, making it the king of fish. The smallest shark is the wide-tailed small horn shark, with mature male fish 15cm and female fish 20cm. The size difference between the big shark and the small shark is more than 100 times.
At present, a giant man-eating shark has been found, which is a tertiary stratigraphic fossil with a tooth length of 15.24cm and an estimated body length of 90 m. The American Museum of Natural History exhibits this bimaxillary model, which can accommodate six people standing in their mouths.
Extended data:
Shark teeth are composed of dentin, bone dentin and enamel, and evolved from peltate scales. The shape of teeth is one of the classification criteria. There are many kinds of shark teeth, including comb-shaped teeth with different front and back teeth and irregular teeth.
Three-peak teeth with three tips, multi-peak teeth with more than 5-7 tips, single-peak teeth with large flat edges, stone teeth with a few teeth, granular teeth with a few teeth, and cutting teeth with flat teeth ***8 styles.
Baidu encyclopedia-shark
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