Coral reefs support 25% of all marine species — their collapse would devastate ocean food webs.

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

Fact #793 · Ocean

The snowshoe hare changes fur color with the seasons for camouflage.

Fact #871 · Ocean

The Pacific Ocean is deeper than Mount Everest is tall.

Fact #258 · Ocean

Vaccination campaigns have eliminated several diseases in many regions.

Fact #1224 · Ocean

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

Fact #530 · Ocean

The Great Barrier Reef supports thousands of marine species.

Fact #186 · Ocean

Some prehistoric marine reptiles hunted in ancient oceans.

Fact #686 · Ocean

A sea lion can hold its breath for several minutes underwater.

Fact #400 · Ocean