The ocean covers more than two-thirds of our planet, and it's bursting with creatures so strange and wonderful they sound made-up. Here are 15 splashy ocean facts that'll have your little one shouting "whoa!" — perfect for bath time, car rides, or a rainy afternoon with crayons.
Big, bigger, biggest
- The blue whale is the largest animal that has ever lived — bigger than any dinosaur. Its heart alone is the size of a small car.
- A blue whale's call is louder than a jet engine and can travel for hundreds of miles underwater.
- Some sea turtles can live to be over 100 years old.
- More than 80% of the ocean has never been explored — there are creatures down there no one has ever seen.
Clever ocean animals
- An octopus has three hearts, blue blood, and can change color in a blink to hide.
- Dolphins call each other by special name-whistles — just like we use names.
- A starfish can grow a whole new arm if it loses one.
- Crabs walk sideways because of the way their legs bend.
- Sea otters hold hands while they sleep so they don't drift apart.
Make the facts stick: our Sea Friends Coloring & Fact Pack pairs ocean coloring pages with matching fact cards kids can color, cut out and collect — a hands-on way to remember all this ocean wonder.
Six more "no way!" ocean facts
- Seahorses are the only animal where the dad has the babies.
- A shrimp's heart is in its head.
- Jellyfish have been around for over 500 million years — older than trees.
- Some fish can change from one color to another to talk to each other.
- The deepest part of the ocean is deeper than the tallest mountain is tall.
- Pufferfish gulp water to puff up like a spiky balloon when scared.
Turn it into play: after reading a fact, "swim" around the room like that animal. Movement helps facts stick — and burns a little energy too.
Ready to dive deeper? Color your own ocean with the Sea Friends Coloring & Fact Pack, grab some free coloring pages to warm up, or keep the wonder going with amazing animal facts and space facts for kids.