Brimming with illustrations and descriptions of more than six hundred species, SeaLife is the most comprehensive reference available in a single volume to the vast panorama of vertebrate and invertebrate creatures inhabiting the world's oceans and shores. Topics covered include oceanography and marine biology, biology of marine environments, marine invertebrates, marine fishes, marine reptiles, seabirds, whales, dolphins and porpoises, dugong and manatees, seals, sea lions and walrus, and marine otters and polar bears. With 56 color plates, 1, 000 black-and-white illustrations, 75 maps and an extensive reference section, this book is an essential companion for all marine enthusiasts.