- Each arm of a starfish has hundreds of tiny tube feet — like little toes — that help it walk and hold onto rocks.
- Starfish arms are covered in hundreds of itty-bitty tube feet that work like sticky sneakers so the starfish can walk and cling to rocks.
- Think of a starfish arm as having hundreds of tiny suction cups, its tube feet, that let it crawl around and give rocks a big hug.
- A starfish uses hundreds of mini tube feet on every arm like tiny hands and feet, helping it stroll along the ocean and stick to rocks.