The ocean is a living, breathing thing. Coral reefs teem with life, covering less than one percent of the ocean floor, but supporting about 25 percent of all marine creatures. When stressed by temperature change, corals expel the symbiotic algae living in their tissues, causing coral bleaching that can kill the colony if the stress is not mitigated. | National Geographic TV

From turtles to sharks and beyond, the Indian Ocean is filled with fascinating marine life thousands of feet beneath the surface. Stream Expedition Deep Ocean now with discovery ! http://discoverypl.us/2X8jmak #discoveryplus | Discovery

3.4K views · 74 reactions | Embark on an unprecedented global mission with Explorer Victor Vescovo and his team to be the first to dive to the deepest points of all five oceans in Expedition Deep Ocean, streaming now. | discovery+ | Facebook

Think sea stars are slow movers who spend most of their time resting on the seafloor? Think again! Check out this sea star cruising across the seafloor on its tube feet. (And watch for the tiny brittle star hustling to get out of the way!) Being able to see this sea star in action, as opposed to as a collected specimen, can provide scientists with new insights into the morphology and behavior of deep-sea stars. For more videos from the Okeanos Explorer Atlantic Canyons and Seamounts 2014 expedit

🐙🦑🐠🦈 Discover the incredible world of deep sea creatures with #NatureBites! Watch as we explore 25 fascinating species that call the ocean's depths their home. #DeepSeaCreatures #MarineLife | Nature Bites

Top 10 Prehistoric Ocean Creatures That Still Exist Today