A group of jellyfish is called a smack, bloom, or swarm.

Dolphins use teamwork.

Fact #2576 · Ocean

There are underwater lakes on Earth.

Fact #1685 · Ocean

A box jellyfish has one of the most potent venoms in the ocean.

Fact #389 · Ocean

A single coral colony can consist of thousands of tiny animals.

Fact #367 · Ocean

There is a river in the ocean — the Gulf Stream moves more water than all of Earth's rivers combined.

Fact #3404 · Ocean

A squid can propel itself rapidly by jetting water.

Fact #417 · Ocean

The ocean covers more than 70 percent of Earth's surface.

Fact #657 · Ocean

The immortal jellyfish can revert back to its juvenile state after reaching maturity, theoretically living forever.

Fact #3517 · Ocean