The whale shark's spots are unique to each individual — used for photo-identification like fingerprints.

Sea turtles have existed for over 100 million years.

Fact #1286 · Ocean

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

Fact #4550 · Ocean

The Dead Sea is 10 times saltier than the ocean.

Fact #3396 · Ocean

Prehistoric oceans had different currents than today.

Fact #740 · Ocean

There are deep ocean creatures that glow.

Fact #2292 · Ocean

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

Fact #109 · Ocean

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

Fact #5116 · Ocean

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

Fact #2632 · Ocean