Sharks - Shark Pictures - National Geographic. About Sharks. Sharks have prowled Earth's seas, essentially unchanged, for 4. Their size, power, and great, toothy jaws fill us with fear and fascination. And though sharks kill only a few people each year, media coverage and movie portrayals of attacks have marked sharks as voracious killing machines. Our fears—and appetites—fuel an industry that hunts more than 1. Sharks Facts and Information. Facts about species, anatomy, distribution, reproduction, conservation and relation with humans. Affordable Megalodon Tooth found here and Tiger shark teeth are on display. We buy and sell sharks teeth. See our collection of large Megalodon and great white shark. Want to learn about the history of sharks? They are the oldest known creatures on Earth so they have a long story. This is the condensed version. Sharks at Zoom School is all about Sharks, shark anatomy, extinct sharks, shark fossils, etc. Fish that carry their eggs internally are known as being ovoviviparous. These types of fish carry their young, but provide little to no care from the mother. Great white sharks are the largest predatory fish. Often thought to be man-eaters, they are actually responsible for only five to 10 attacks on humans per year. Mako Shark – Isurus oxyrinchus. The shortfin mako shark also is known as the blue pointer and bonito shark. It is a fast speed-swimming shark that has been called. The bull shark (Carcharhinus leucas), also known as the Zambezi shark or, unofficially, as Zambi in Africa and Nicaragua shark in Nicaragua, is a requiem shark.
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