Video

A Guide to Marine Wildlife in Earth’s Oceans

Published October 31, 2025

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Approximately 71% of Earth’s surface is covered in water. Five main bodies make up the world’s oceans: the Atlantic, Pacific, Indian, Arctic, and Antarctic. Watch today’s video from A-Z-Animals as we explore the amazingly diverse marine life that inhabits the earth’s oceans.

About the Author

A-Z Animals Staff

AZ Animals is a growing team of animals experts, researchers, farmers, conservationists, writers, editors, and -- of course -- pet owners who have come together to help you better understand the animal kingdom and how we interact.