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Awesome Sharks: Learn All About the Fascinating World of Sharks!
Read all about the fascinating world of sharks. There are over 500 species of sharks, and there is a great deal of diversity among them. Sharks include the world's largest fish, the Whale Shark which approximates 12 meters (40 ft) in length, as well as some of the smaller ones like the small dwarf lanternshark (Etmopterus perryi), a deep-sea species that is only 17 centimeters in length. Most sharks are predators, but a few filter plankton from the seawater. The earliest known sharks date back to more than 420 million years ago. Most people think sharks are solitary hunters ranging the oceans in search of food. However, this only applies to a few species, and sharks actually live far more social, sedentary, benthic lives, and appear likely to have their own distinct personalities. Truly fascinating! Sadly, many shark populations are threatened by human activities and the shark populations have been reduced by 71%, mostly from overfishing but there are measures being taken now to ensure the protection of sharks. To learn more about sharks, download a copy of this audiobook today!
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