Piranhas are known as fierce aquatic predators, but there is much more to discover about these misunderstood freshwater fish. This high-school nonfiction title gives readers an in-depth look at the schooling behaviour, omnivorous diet, remarkable anatomy, and tropical habitats of these colourful, razor-toothed creatures. Also featured are ecosystem preservation efforts and the piranha's challenging relationship with humans throughout history, including media misconceptions and ecological importance.