Certain dolphins cooperate to herd fish in coordinated groups.

The Earth's tilt is responsible for seasonal climate patterns.

Fact #222 · Ocean

There are underwater waterfalls caused by differences in water density.

Fact #2442 · Ocean

Coral reefs are formed by tiny marine animals called polyps.

Fact #98 · Ocean

Some volcanoes erupt underwater.

Fact #852 · Ocean

Octopuses solve mazes.

Fact #2571 · Ocean

A sea otter uses its chest as a surface for cracking shells.

Fact #530 · Ocean

Certain marine mammals have thick blubber for insulation.

Fact #877 · Ocean

Some volcanoes can erupt underwater.

Fact #2624 · Ocean