This book is an up-to-date account of the world's most primitive & feared predators. It covers their evolution their powerful bodies & amazing senses & how they swim hunt feed breed hibernate migrate & survive in the aquatic environment. It is fully illustrated with stunning images made possible by the latest advances in underwater photography as well as cutaway diagrams maps & charts. There are also detailed profiles of a wide range of shark species including the great white tiger shark thresher megamouth & the greatest fish on the planet the whale shark.