The Dead Sea is so salty that nothing larger than bacteria can survive in it, and swimmers float effortlessly.

Some prehistoric marine reptiles hunted in ancient oceans.

Fact #686 · Ocean

The giant amphipod thrives in extreme ocean depths.

Fact #1421 · Ocean

The Earth's oceans contain over 200,000 identified species.

Fact #180 · Ocean

Some deep‑sea fish create their own light.

Fact #2475 · Ocean

Sea turtles have existed for over 100 million years.

Fact #1286 · Ocean

The ocean contains structures larger than mountain ranges.

Fact #1974 · Ocean

Dumbo octopuses live at depths of 3,000–4,000 meters and are named for ear-like fins they use to swim.

Fact #5119 · Ocean

Certain fish can produce their own light through bioluminescence.

Fact #372 · Ocean