Some dolphins sleep with one half of their brain at a time.

Certain birds migrate seasonally to access food sources.

Fact #905 · Ocean

The immortal jellyfish (Turritopsis dohrnii) can revert to its juvenile state after reaching adulthood.

Fact #3244 · Ocean

The deep-sea environment is near freezing in temperature.

Fact #1419 · Ocean

A newborn blue whale gains about 200 pounds per day in its first year.

Fact #3662 · Ocean

There are places in the ocean where pressure is over 1,000 times greater than at sea level.

Fact #2486 · Ocean

Some deep‑sea fish create their own light.

Fact #2475 · Ocean

Sea otters hold hands while sleeping so they don't drift apart.

Fact #3229 · Ocean

The Earth's oceans are interconnected.

Fact #314 · Ocean