Have you ever wondered how fish, whales, dolphins, seals, turtles, plants, and many other things relate? In this fully illustrated book, you will learn what fish eat, and how knowing what they eat can answer many questions. You will learn to draw a food web, linking the species together to understand how an ecosystem works. Thirty-two fish based food webs are included, with a question for each, and answers at the end of the book. Over seventy species of fish, whales, dolphins, crustaceans, and other animals are used and illustrated. From fifth grade to graduate school, every reader will learn something inside. What do sea dragons eat? Why do Orcas sometimes kill great white sharks? What to fruit trees have to do with pink dolphins? Why do snappers follow manatees? Why are crayfish good for recycling? Why are sea turtles important for blue marlin? Why should California crab lovers thank sevengill sharks? Why are silver carp affecting walleye? Suitable as a text for elementary through high school and maybe college biology courses, this book might also make the reader a better angler, and allow you to see the watery world around you very differently.