Ocean Facts for Kids

The dumbo octopus lives deeper than any other octopus — up to 13,000 feet below the surface.

Dolphins can stay awake for 15 days straight by resting one half of their brain at a time.

The ocean absorbs about a quarter of the carbon dioxide that humans produce, helping to slow climate change.

Horseshoe crabs have bright blue blood that is used in medicine to test for harmful bacteria.

One pufferfish contains enough toxin to be extremely dangerous, yet it is eaten as a delicacy in Japan.

Earth is called the Blue Planet because the ocean makes it look blue when seen from space.

Giant tubeworms near deep-sea vents survive without sunlight by using chemicals from the vents for energy.

Tsunami waves can travel across the ocean at over 500 miles per hour — as fast as a jet plane.

Hermit crabs line up from biggest to smallest and swap shells one by one in a chain.

Sea sponges are animals, not plants — they have been living on Earth for over 600 million years.