Goby fish and pistol shrimp

"The Better Together series presents an introductory look at some of nature's most exciting cooperative pairs. Goby Fish and Pistol Shrimp explores the close mutualistic relationship between the two aquatic creatures. Sidebars encourage readers to engage in the material by asking deeper questions or conducting individual research. Full color photos, a glossary, and a listing of additional resources all enhance the learning experience."--.