Sharks embark on extraordinary journeys. Some travel thousands of miles and take weeks or even months to reach their destinations, while others rise up from the depths, undertaking a vertical migration of a mile or more in a single day. Why, though, do they travel such distances and how do they find their way? Sharks explores the latest research and explains some of the many mysteries of shark migration. Michael Bright reveals the adaptations that allow sharks to perform feats of extreme navigation, such as their astonishing electromagnetic ‘6th sense’ that not only catches the electrical activity in the muscles of their prey, but can also detect the Earth’s geomagnetic field. He also addresses the danger inherent in shark migrations, including shark attacks on humans, but more commonly for the sharks themselves, who are hunted for their fins and increasingly threatened by the fishing industry.
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