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Many open ocean organisms live out their existence without ever coming into contact with the shore, the seafloor, or the water’s surface. They spend their entire lives surrounded by water on all sides and do not know that anything else even exists. In the case of the deep open ocean, organisms never even see sunlight.
Explore the Marine Life Encyclopedia to learn fun facts and more about your favorite marine animals. 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.
Oceans cover more than 70% of the planet and are home to important species and ecosystems that we rely on for food, livelihoods, climate regulation and more. But the oceans need our help. Saving the oceans can sometimes feel like an overwhelming task, but if we all pitch in, we can make a big difference. While there are a variety of lifestyle ...
Most fish, plants, mammals, and other marine organisms live near the surface, while a smaller number of species are distributed towards the deeper depths, where there’s less sunlight. Thus, the same sea can host dramatically different species depending on its depth.
We have already protected nearly 4 million square miles of ocean and innumerable sea life - but there is still more to be done.
We have already protected nearly 4 million square miles of ocean and innumerable sea life - but there is still more to be done.
Scientists have successfully photographed a black hole, landed rovers on Mars, and sent spacecraft to the dark side of the moon. Yet, one of the last unknown frontiers – and one of the most deceptively familiar – is on our very own planet. More than 80% of the ocean remains unexplored.
The shortfin mako shark is a large, predatory shark that lives in the open ocean and reaches lengths of 12 feet (3.8 m) and weights of at least 1200 pounds (545 kg). With top speeds of 45 miles per hour (74 kilometers per hour), the shortfin mako is the fastest shark and is one of the fastest fishes on the planet.
Dumbo octopuses live in the deep open ocean down to depths of at least 13,100 feet (4000 m) and perhaps much deeper, making this group the deepest living of all known octopuses. Life at these extreme depths requires the ability to live in very cold water and in the complete absence of sunlight.
Blue whales are known for being the largest animal to ever live on the planet. Learn more and how you can protect them.