Did you know that lionfish have a body full of venomous spines? These fierce fish are responsible for stinging thousands of people a year, using this surprising defense. This book introduces readers to 20 fun facts about lionfish, including their bodies, abilities, and habitat. Each high-interest fact is paired with bright photographs of lionfish in their natural surroundings to give readers a comprehensive, exciting reading experience. Readers will delight in learning about this colorful, venomous sea animal--the ferocious lionfish.