Certain fish can produce their own light through bioluminescence.

The ocean contains structures larger than mountain ranges.

Fact #2192 · Ocean

The Dead Sea is shrinking by about one meter per year due to water diversion and evaporation.

Fact #4777 · Ocean

The North Pole has no land beneath it — it sits on sea ice floating over the Arctic Ocean.

Fact #4754 · Ocean

Many deep-sea fish have transparent or nearly invisible bodies.

Fact #1387 · Ocean

A sea anemone uses stinging cells to capture prey.

Fact #437 · Ocean

Some fish use countershading to camouflage in water.

Fact #896 · Ocean

Some whales communicate across vast distances underwater.

Fact #228 · Ocean

The giant amphipod thrives in extreme ocean depths.

Fact #1421 · Ocean