Weird Wednesday ~ Geckos See With Their Skin

Same Gecko placed against a light background (L) and a dark background (R)

It has been discovered that Moorish Geckos have skin that can see! 
There are light sensitive proteins called opsins which trigger chemical reactions that send signals to the brain. Opins are generally found in the eye which allows animals to see. The Moorish Gecko has opsins in its skin. Some species of fish also have their own form of opsins in their skin - tetras being the one most people are familiar with.
The next step is to prove that these opsins are actually responding to light and that signals are being transmitted to other parts of the body.
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