The Dead Sea is shrinking by about one meter per year due to water diversion and evaporation.

The Pacific Ocean is the deepest ocean on Earth.

Fact #337 · Ocean

The Marianas Trench is located in the western Pacific Ocean and is about 11 km at its deepest point.

Fact #4786 · Ocean

The Portuguese man o' war's tentacles can extend up to 50 meters and remain dangerous even when detached.

Fact #5141 · Ocean

Trilobites lived in ancient oceans long before dinosaurs.

Fact #692 · Ocean

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

Fact #4773 · Ocean

Certain whales migrate thousands of miles annually.

Fact #413 · Ocean

Coral reefs cover less than 1% of the ocean floor but support about 25% of all marine species.

Fact #5113 · Ocean

Coral reefs are formed by tiny marine animals called polyps.

Fact #98 · Ocean