There’s a popular saying that “the eye is the jewel of the body.” This saying is not only referring humans, animals have some eyes that are nothing short of beautiful. Contents1. Mantis Shrimp2.

Also, while some jellyfish have eyes, no known species have a set of ... These long appendages move captured prey to the animal's mouth, which is usually found on the underside of the bell.

The first big clue was a free-floating weight at the ... proper and when bundles of photoreceptors become bona fide eyes. Animals with stage-three eyes can find suitable homes, as sea stars ...