Mantis Shrimp: Here's Looking at You

"Do You See What Shrimp See?"
Discover (June 13, 2008)

"The mantis shrimp can pick up on ultraviolet, infrared—and circular polarization.

"What does the world look like through the eyes of a mantis shrimp? It's not a question most of us would think to ask, but a new study has given us the answer: It looks like nothing humans (or any other animals) have ever seen.

"It turns out that these exotic sea critters—affectionately known to the researchers in the study as 'shrimp from Mars'—can see a kind of light that, as far as we know, is not apparent to any other animal on the planet. Not only that, but certain parts of the shrimps' bodies can reflect the same kind of light, creating a signal only other mantis shrimp can see...."

With a photo of these odd-looking creatures.

Pretty good introduction to a very odd animal's weird eyes.