The giant squid lives in deep ocean waters.

Sea otters wrap themselves in kelp to stay anchored while sleeping.

Fact #1267 · Ocean

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

Fact #5138 · Ocean

Certain fish live in symbiotic relationships with other species.

Fact #535 · Ocean

The Great Barrier Reef has experienced multiple mass bleaching events since 1998 as sea temperatures rise.

Fact #5201 · Ocean

The largest living structure on Earth is the Great Barrier Reef.

Fact #912 · Ocean

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

Fact #2237 · Ocean

The world's longest coral reef system, the Great Barrier Reef, is visible from space.

Fact #4773 · Ocean

Some coral reefs are visible from space.

Fact #197 · Ocean