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How do cuttlefish perceive the world?

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Cuttlefish are among the most remarkable of cephalopods, but nobody expected the creatures to have this particular trick up their sleeve. Cuttlefish can actually see information in the angle of intense polarized light that we can barely comprehend. read more

We knew that cuttlefish, along with their cephalopod cousins the octopus and squid, could see polarized light in this way, but we had no idea they could see this well. Of course, when you've got an eye as weird as the one up top, maybe it isn't so hard to believe that they see the world like no other species. read more

Although cuttlefish cannot see color, they can perceive the polarization of light, which enhances their perception of contrast. They have two spots of concentrated sensor cells on their retina (known as foveae), one to look more forward, and one to look more backward. read more

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