Ocean Facts for Kids

Manatees are more closely related to elephants than to any other marine mammal.

Sea urchins walk using tiny tube feet and can also use their teeth to pull themselves along rocks.

The Sargasso Sea is the only sea on Earth with no land borders — it is defined entirely by ocean currents.

The stonefish is the most venomous fish in the world and looks exactly like a rock on the ocean floor.

Barnacles produce one of the strongest natural glues ever discovered, which scientists are studying for medical uses.

A blue whale's tongue alone can weigh as much as an elephant — about 5,400 pounds.

The ocean has a giant conveyor belt of currents that moves water around the entire planet and takes about 1,000 years to complete one loop.

Lanternfish are the most common fish in the ocean — there may be billions of them in the deep sea.

When threatened, sea cucumbers can eject their internal organs at a predator and then regrow them later.

The immortal jellyfish can reverse its aging process and turn back into a baby, essentially living forever.