The leafy sea dragon has no predators — its leafy camouflage is so complete it was not described scientifically until 1865.

Hurricanes gain strength from warm ocean water.

Exploration of the deep sea has revealed that bioluminescence is far more common than previously thought — it may be the dominant form of communication in the ocean's depths.

There is a river in the ocean — the Gulf Stream moves more water than all of Earth's rivers combined.

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

Many deep-sea animals lack strong pigmentation.

The tripod fish can stand on the ocean floor using elongated fin rays.

The ocean contains structures larger than mountain ranges.

A sea horse anchors itself using its tail.