The whale shark filters 6 million liters of water per day through its mouth to extract plankton.

The Portuguese man o' war's tentacles can extend up to 50 meters and remain dangerous even when detached.

Fact #5141 · Ocean

Dumbo octopuses live at depths of 3,000–4,000 meters and are named for ear-like fins they use to swim.

Fact #5119 · Ocean

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

Fact #5116 · Ocean

A sea turtle can navigate back to its birthplace decades later.

Fact #575 · Ocean

Some whales communicate across vast distances underwater.

Fact #228 · Ocean

Hurricanes gain strength from warm ocean water.

Fact #808 · Ocean

The Pacific Ocean contains thousands of islands.

Fact #200 · Ocean

More than 70% of Earth's oxygen is produced by marine plants, primarily phytoplankton.

Fact #3399 · Ocean