Ages 9-12. Photographs and text explore the characteristics, habitats, and variety of fishes and other undersea life. This unique, beautifully illustrated guide reveals the lethal jaws of a piranha, a porcupine fish "puffing up", how a dogfish swims, growth rings on a fish scale, what a fish looked like 400 million years ago, and a fish with legs! Using striking full-color photographs and illustrations, discover how a school stays together, why some fish swim upside down, how a stingray stings, and why fish need water to breathe, and much more. 72 pages