Two authoritative and lavishly illustrated guides to marine and freshwater life around the world, featuring fish, shells, crabs, corals, echinoderms, seals, jellyfish, dolphins, sharks, rays, sea snakes, reptiles and amphibians. Includes fascinating details of each species, such as the spectacular mobility of the eagle ray, the parasitic tendencies of a sea orange, and the immobilizing sting of a blue jellyfish. This is an indispensable guide to the extraordinary diversity of the marine and freshwater realms.