Mantis Shrimps have 12 photoreceptors, they can also see in all polarisations. They don't do paintings so it's hard to know how they experience this. http://en.

Mantis Shrimps have 12 photoreceptors, they can also see in all polarisations. They don't do paintings so it's hard to know how they experience this. http://en.wikipedia.org/wiki/Mantis_shrimp#Eyes http://en.wikipedia.org/wiki/Mantis_shrimp#Eyes