Did you know that piranhas use their razor-sharp teeth to eat live prey in frantic feeding frenzies? These fish are some of the most ferocious freshwater creatures on Earth. This book introduces readers to freaky facts about piranhas, from their range and adaptations to their hunting skills and diet. Exciting photographs are sure to catch the eyes of readers as they discover 20 unbelievable facts. Readers will love learning about this pint-sized predator--the ferocious piranha.