And that’s with only 5% of the Earth’s oceans considered explored! By Alec. Published January 18, 2013. Here are the top 10 amazing sea creatures of the world: We are going to show you the 10 most amazing sea creatures found deep within the ocean which are mysterious and amazing. With over 72% of the Earth’s surface covered by salt water, the Earth’s oceans are home to 230,000 known species. Explore the Marine Life Encyclopedia to learn fun facts and more about your favorite marine animals. Their body temperature changes as the temperature of the air or water they live in changes. A reptile is an animal that has hard, dry skin. Ten Amazing Facts About Ocean Animals. 10 Amazing Ocean Animals Only Scuba Divers Can See By Patricia Wuest posted Jul 8th, 2017 at 4:38pm We scuba divers are a lucky bunch — and we realize it every time we drop down onto a coral reef or step into the ocean, river or lake. From sharks and sea turtles to ecosystems and corals, you’re in the right place to take a deep dive into life under the sea. Updated April 15, 2016. Remarkable, Rare Photographic Moments With Amazing Ocean Animals. Cephalopods, Crustaceans, & Other Shellfish. These animals can do amazing things. For more than 20 years now, we have spent well in excess of 3,000 days at sea, most of them in the company of great whites and other shark species. Marine animals can contribute to our food supply as well as to the ecosystem. Reptiles are cold-blooded.