Deep-sea exploration has revealed that bioluminescence is far more common in the ocean than previously thought.

The Pacific Ocean is deeper than Mount Everest is tall.

Fact #258 · Ocean

Some fish can tolerate extremely salty environments.

Fact #881 · Ocean

Sea cucumbers can expel internal organs as a defense mechanism.

Fact #350 · Ocean

The world's longest mountain chain is actually underwater — the Mid-Ocean Ridge stretches over 65,000 km.

Fact #4296 · Ocean

Some deep-sea octopuses brood their eggs for years.

Fact #1413 · Ocean

In 1970, a whale carcass was blown up with explosives in Oregon to remove it from a beach.

Fact #793 · Ocean

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

Fact #266 · Ocean

Deep-sea creatures often grow slowly due to limited food availability.

Fact #1400 · Ocean