Incredibly, the little creatures called mantis shrimp are one of the most dangerous animals in the ocean, at least to the marine life they hunt. These crustaceans have claws so strong that they've broken aquarium glass with them! Mantis shrimp are also nicknamed thumb-splitters because of their painful encounters with people. This fascinating book is filled with riveting facts that will leave the reader amazed at how such a small creature can wield such power. Adaptations and habitats are two science topics that are discussed in this complement to any animal book collection.