Readers travel to the depths of the ocean as they learn fascinating facts about what makes fish different from other animals. As readers develop their ability to classify animals based on shared characteristics, they also learn about fish life cycles, habitats, and other common science curriculum topics. Fact boxes filled with exciting information and detailed diagrams and other graphic organizers present readers with additional information about these cool creatures. Vivid photographs give readers an up-close view of some of the world's most interesting fish species, creating a reading experience they won't soon forget!