Polarized Shirmp Vision

Funky Shrimp Vision helps them get Funky
or as Professor White says, "...for the four fs: feeding, fighting, fleeing and...flirting."
...
The two scientists have shown that shrimp of the species Gonodactylus smithii have eyes that simultaneously measure four linear and two circular polarisations, enabling them to determine both the direction of the oscillation, as well as how polarised the light is.