Ten Amazing Facts About Ocean Animals

Published January 18, 2013
Updated February 1, 2024

With over 72% of the Earth’s surface covered by salt water, the Earth’s oceans are home to 230,000 known species. And that’s with only 5% of the Earth’s oceans considered explored! In celebration of the vast unknown of the ocean, we present our favorite ocean animal facts:

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If you enjoyed these amazing facts about ocean animals, be sure to check out our other posts on interesting facts about the world and our collection of amazing facts!

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All That's Interesting
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Established in 2010, All That's Interesting brings together a dedicated staff of digital publishing veterans and subject-level experts in history, true crime, and science. From the lesser-known byways of human history to the uncharted corners of the world, we seek out stories that bring our past, present, and future to life. Privately-owned since its founding, All That's Interesting maintains a commitment to unbiased reporting while taking great care in fact-checking and research to ensure that we meet the highest standards of accuracy.