10 Fun Facts About Starfish 2029. Starfish, also known as sea stars, are not fish but echinoderms that have the ability to regenerate lost limbs. These curious, five armed creatures are a popular attraction here at the national marine aquarium, where they can be found chilling out in a giant rockpool in our popular plymouth sound exhibit.

Discover 23 fascinating fun facts about starfish, including their unique characteristics, behaviors, and ecological significance. They are not actually fish!