The ocean floor has more mountains, longer mountain ranges, and deeper trenches than any continent.

Water covers more than 70% of Earth's surface.

Fact #86 · Ocean

The geoduck clam can live over 150 years and is the largest burrowing clam in the world.

Fact #4550 · Ocean

The world's longest mountain chain is actually underwater — the Mid-Ocean Ridge stretches over 65,000 km.

Fact #4296 · Ocean

More than half of the world's coral reefs have been lost since the 1950s due to warming and acidifying oceans.

Fact #4292 · Ocean

The ocean contains structures larger than mountain ranges.

Fact #2068 · Ocean

The deepest ocean trench is the Mariana Trench.

Fact #907 · Ocean

Only about 5% of the ocean has been explored by humans.

Fact #2776 · Ocean

Certain fish can survive in oxygen-poor water.

Fact #453 · Ocean