Starfish (sea stars) have no brain or blood — they use seawater to pump nutrients through their bodies.

A sea lion can dive hundreds of feet underwater.

Fact #482 · Ocean

Coral spawning events, triggered by moon phase and water temperature, release billions of eggs in a single night.

Fact #5134 · Ocean

Certain fish clean parasites from larger fish.

Fact #422 · Ocean

Greenland's ice sheet is melting at accelerating rates, contributing significantly to global sea-level rise.

Fact #4779 · Ocean

The giant squid lives in deep ocean waters.

Fact #659 · Ocean

The Great Barrier Reef is located off the coast of Australia.

Fact #305 · Ocean

The deep ocean remains largely unexplored by humans.

Fact #1416 · Ocean

The Great Barrier Reef supports thousands of marine species.

Fact #186 · Ocean