Whale falls — the carcasses of dead whales — support unique deep-sea ecosystems for decades.

The tripod fish can stand on the ocean floor using elongated fin rays.

Fact #1397 · Ocean

The Earth's oceans contain over 200,000 identified species.

Fact #180 · Ocean

Certain fish live in symbiotic relationships with other species.

Fact #535 · Ocean

Prehistoric oceans contained giant marine reptiles.

Fact #724 · Ocean

The ocean contains structures larger than mountain ranges.

Fact #2212 · Ocean

The Marianas Trench is located in the western Pacific Ocean and is about 11 km at its deepest point.

Fact #4786 · Ocean

The largest living structure on Earth is the Great Barrier Reef.

Fact #912 · Ocean

The Earth's oceans cover more than 70% of the planet's surface.

Fact #220 · Ocean