Coral reefs are formed by tiny marine animals called polyps.

The original name for the search engine Google was 'BackRub.'

Fact #3956 · Ocean

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

Fact #1400 · Ocean

The mimic octopus can imitate other sea creatures.

Fact #355 · Ocean

The Pacific Ocean is the deepest ocean on Earth.

Fact #337 · Ocean

The deep ocean remains largely unexplored by humans.

Fact #1416 · Ocean

Some deep-sea octopuses brood their eggs for years.

Fact #1413 · Ocean

The Arctic Ocean is the smallest ocean.

Fact #141 · Ocean

There are underwater waterfalls caused by differences in water density.

Fact #2442 · Ocean