Deep-sea coral reefs exist without sunlight.

Octopuses can escape sealed containers and solve puzzles.

Fact #2561 · Ocean

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

Fact #1267 · Ocean

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

Fact #1387 · Ocean

Sea otters use rocks as tools to break open shellfish.

Fact #43 · Ocean

Some species of octopus can change both color and texture.

Fact #343 · Ocean

Sea turtles can migrate thousands of miles between feeding and nesting areas.

Fact #1252 · Ocean

In 1962, a U.S. submarine nearly launched a nuclear torpedo during the Cuban Missile Crisis.

Fact #788 · Ocean

The Erie Canal connected the Great Lakes to the Atlantic Ocean.

Fact #1131 · Ocean