The mimic octopus was only discovered in 1998 — demonstrating how unknown even shallow tropical waters remain.

Coral reefs cover less than 1% of the ocean floor but support about 25% of all marine species.

Fact #5113 · Ocean

The Pacific Ocean has the most islands of any ocean.

Fact #327 · Ocean

The ocean is, on average, 3,682 meters deep — the deepest point is about 11,000 meters.

Fact #5116 · Ocean

The Pacific Ocean contains thousands of islands.

Fact #200 · Ocean

The Mariana Trench is the deepest known part of Earth's oceans.

Fact #109 · Ocean

The ocean contains structures larger than mountain ranges.

Fact #1974 · Ocean

In 1970, a whale carcass was blown up with explosives in Oregon to remove it from a beach.

Fact #793 · Ocean

The ocean contains structures larger than mountain ranges.

Fact #2089 · Ocean