California has a wonderful diversity of ocean worlds, from mountain rivers and deltas, to beaches, to kelp forests and deep sea. This book includes a variety of these worlds, with thirty-six species of fish including sharks, halibut, tuna, sea bass, beautiful Garibaldi Damselfish, rock fish, and salmon. With these fish, are whales, sea otters, seals, sea lions, sea urchins, lobsters, sea stars, and crabs. All are shown in real world ecosystems, as you might find them. An identification guide is included, and challenges the readers and listeners to find all the fishes, mammals, and invertebrates in the book, or in the wild. Appropriate for kids of any age, and fun for kids from 1 to 101. Younger kids will enjoy the colorful pictures and calming story, older kids will learn basic ecology and marine biology. Even adults will learn something new about California's Pacific Ocean.