Some deep-sea creatures produce their own light through bioluminescence.

The largest animal ever known to exist is the blue whale.

Fact #914 · Ocean

More than 70% of Earth's oxygen is produced by marine plants, primarily phytoplankton.

Fact #3399 · Ocean

The Earth's oceans absorb large amounts of carbon dioxide.

Fact #242 · Ocean

The Pacific Ocean is deeper than Mount Everest is tall.

Fact #258 · Ocean

A crocodile can hold its breath underwater for an extended period.

Fact #476 · Ocean

Roughly half of all humans who have ever lived died from infectious diseases.

Fact #2766 · Ocean

You are more likely to die from heart disease than any other cause.

Fact #2919 · Ocean

Dolphins call each other by unique names.

Fact #2569 · Ocean