More than 80% of the ocean remains unmapped and unexplored.

Some deep-sea fish like the viperfish have teeth so large they cannot close their mouths.

Fact #5109 · Ocean

The ocean contains structures larger than mountain ranges.

Fact #1861 · Ocean

The siphonophore can grow to extraordinary lengths in the ocean depths.

Fact #1408 · Ocean

Certain species of fish live near hydrothermal vents.

Fact #467 · Ocean

The Dead Sea is one of the saltiest bodies of water on Earth.

Fact #266 · Ocean

Some deep‑sea fish create their own light.

Fact #2475 · Ocean

Certain marine animals use camouflage to blend into coral reefs.

Fact #487 · Ocean

The whale shark is the world's largest fish, growing up to 12 meters and filtering tons of water daily.

Fact #4541 · Ocean