This book describes how ocean is full of complex food webs made up of many different animals fighting to stay alive within this massive ecosystem. Carnivores, herbivores, and other classified creatures are introduced within the accessible and age-appropriate narrative.

Under the sea -- The food web -- The orca -- The sea lion -- The herring -- The leopard seal -- The emperor penguin -- The krill -- The humpback whale -- Ocean food web -- Glossary and index.