The Pacific Ocean is the deepest ocean on Earth.

The Mariana Trench reaches depths of nearly 36,000 feet.

Fact #1388 · Ocean

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

Fact #1391 · Ocean

Dogs can smell certain diseases such as cancer.

Fact #2538 · Ocean

The 2004 Indian Ocean tsunami was triggered by a massive undersea earthquake.

Fact #807 · Ocean

Sea otters hold hands while sleeping to avoid drifting apart.

Fact #364 · Ocean

The mimic octopus can impersonate over 15 different marine species.

Fact #3240 · Ocean

The Pacific Ocean contains numerous coral atolls.

Fact #315 · Ocean

There is more water in Earth's mantle than in all the oceans on the surface.

Fact #3594 · Ocean