Beneath the surface of the ocean patrols one of the most perfectly adapted predators on earth. Sharks are built for the hunt, equipped with eyes that see clearly in the dark depths and strong electroreceptors that can sense the electrical fields of their prey from far away. In this gripping guide, you will dive into the science and biology of these incredible marine animals. Learn the truth behind the highly aggressive Bull shark, which can survive in both salty ocean bays and fresh water rivers, and discover the massive size of the gentle Whale shark. You will explore shark anatomy, including their specialized lateral line receptors and rows of continuously replacing teeth. By examining their actual behaviors, diets, and the threats they face from overfishing, this book clears up common misunderstandings and reveals the true nature of the ocean's most famous hunters.