Sharks are a remarkable, diverse group of ocean-dwellers that inhabit marine ecosystems all over the world. From the massive, gentle giant whale shark to the bioluminescent dwarf lantern shark, there ...

The ocean makes up the majority of the Earth's surface, so it makes sense that 95% of our seas are still unknown to us—there's just so much to explore. And we know even less about the deepest parts, ...

How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...

Jellyfish are carnivores, so their diet mainly consists of other animals. This includes zooplankton, small crustaceans, small fish and other jellyfish, according to Oceana, an ocean conservation ...

Read on for some chilling curiosities from the creatures of the Smithsonian’s National Zoo and Conservation Biology Institute ...