The Pacific Ocean is larger than all of Earth's landmasses combined.

Blue whales are the largest animals known to have ever lived.

Fact #246 · Ocean

A newborn blue whale gains about 200 pounds per day in its first year.

Fact #3662 · Ocean

Some coral reefs are visible from space.

Fact #197 · Ocean

Dolphins call each other by unique names.

Fact #2569 · Ocean

Dolphins use echolocation to navigate and hunt underwater.

Fact #12 · Ocean

A blue-ringed octopus carries venom potent enough to affect humans.

Fact #370 · Ocean

Whales are mammals and must breathe air.

Fact #265 · Ocean

There are underwater waterfalls caused by differences in water density.

Fact #2442 · Ocean