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

Some deep-sea jellyfish emit flashes of light when disturbed.

Fact #1396 · Ocean

Some deserts were once oceans.

Fact #2661 · Ocean

Some deep‑sea fish create their own light.

Fact #2475 · Ocean

The deep ocean is the largest habitat on Earth.

Fact #1405 · Ocean

A dolphin’s brain is relatively large compared to its body size.

Fact #456 · Ocean

Male seahorses carry and give birth to their young.

Fact #359 · Ocean

The Earth's poles experience extreme seasonal variations in sunlight.

Fact #207 · Ocean

Jellyfish have existed for hundreds of millions of years.

Fact #117 · Ocean