The pink sand beaches of the Bahamas get their color from tiny red organisms called foraminifera.

Some deep‑sea creatures have never seen sunlight in millions of years.

Fact #2237 · Ocean

Coral reefs are formed by tiny marine animals called polyps.

Fact #98 · Ocean

The tallest mountain from base to peak is Mauna Kea in Hawaii — it's just mostly underwater.

Fact #3405 · Ocean

The Pacific Ocean contains numerous coral atolls.

Fact #315 · Ocean

The Great Barrier Reef is home to thousands of marine species.

Fact #76 · Ocean

Deep-sea coral reefs exist without sunlight.

Fact #1412 · Ocean

The deep ocean is the largest habitat on Earth.

Fact #1405 · Ocean

The deep-ocean zone below 1,000 m is called the midnight zone — no sunlight reaches it.

Fact #5138 · Ocean