Animal Guides / Ocean life
Ocean life
Sharks, whales, dolphins, octopuses and sea turtles, the giants and geniuses of the sea.
The ocean covers about 71 percent of Earth's surface and holds the largest animal that has ever lived. Meet the hunters, filter feeders and problem solvers of the sea, and learn what threatens them.
OceanBlue whaleThe largest animal known to have ever lived, longer than a basketball court and fed almost entirely by tiny krill. Here is how a giant survives on the smallest prey.
OceanBottlenose dolphinPlayful, smart and found along coasts worldwide, bottlenose dolphins use names, tools and sound to navigate a complex social life.
OceanGreat white sharkThe ocean's most famous predator is a long-lived, slow-growing hunter of seals and fish. Here are the facts behind the reputation.
OceanLeatherback sea turtleThe largest living turtle has no hard shell, dives deeper than many whales and crosses entire oceans to feed on jellyfish.
OceanOctopusThree hearts, blue blood, and arms that can taste and think for themselves. The common octopus is one of the most intelligent invertebrates on Earth.
OceanOrca (killer whale)The largest dolphin and the ocean's top predator, living in tight family groups with their own hunting traditions and dialects.