As well as being able to influence the color of the light that reflects off their skin , cuttlefish can also affect the light 's polarization , which can be used to signal to other sea animals , many of whom can also sense polarization . As well as being able to influence the color of light as it reflects off their skin , cuttlefish can also affect the light 's polarization , which can be used to signal to other marine animals , many of which can also sense polarization .