The giant oarfish can grow up to 36 feet long and is believed to be the source of many sea serpent legends.

The ocean contains structures larger than mountain ranges.

Fact #2212 · Ocean

Certain fish can survive in oxygen-poor water.

Fact #453 · Ocean

Certain fish can inflate their bodies to appear larger.

Fact #554 · Ocean

The deepest ocean trench is the Mariana Trench.

Fact #907 · Ocean

The mimic octopus can imitate other sea creatures.

Fact #355 · Ocean

Some fish build intricate sand nests.

Fact #436 · Ocean

There are deep ocean trenches deeper than Mount Everest is tall.

Fact #2273 · Ocean

The deep ocean remains largely unexplored by humans.

Fact #1416 · Ocean