Starfish, also known as Sea Stars, are one of the most beautiful looking animals in the vast ocean. They have a surprisingly unusual anatomy, with no brain or blood, yet are able to digest food outside their body.

Why do starfish have no brain?

So, Does Starfish Have a Brain? The answer is NO, they don't. Starfish have a nervous system spread through their arms. ... Their nervous system is a nerve ring around the mouth which extends into every arm through the radial nerve.

Can starfish feel pain?

Katie Campbell: Starfish lack a centralized brain, but they do have a complex nervous system and they can feel pain.