Jellyfish have been around for over 650 million years...that's older than both dinosaurs and sharks!
- Dolphins sleep with only half of their brain and with one eye open so they can watch for predators and other threats.
- An Octopus has three hearts....and their blood is blue.
- Seahorses are the only animals in which the male gives birth and care for their young.
- Turtles live on every continent except Antarctica.