The Great Barrier Reef is the largest living structure on Earth and can be seen from space.

The sailfish is among the fastest fish in the ocean.

Fact #397 · Ocean

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

Fact #1387 · Ocean

The immortal jellyfish (Turritopsis dohrnii) can revert to its juvenile state after reaching adulthood.

Fact #3244 · Ocean

The Great Barrier Reef is the largest coral reef system in the world.

Fact #13 · Ocean

Dogs can smell certain diseases such as cancer.

Fact #2538 · Ocean

Octopuses have been observed escaping aquariums, navigating floors, and entering other tanks to hunt for food.

Fact #2335 · Ocean

The giant squid can grow over 30 feet long.

Fact #1393 · Ocean

Orcas are members of the dolphin family.

Fact #1244 · Ocean