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Seeing without eyes: Octopus's skin possesses the same cellular mechanism for detecting light as eye
Seeing without eyes: Octopus's skin possesses the same cellular mechanism for detecting light as its eyes do
http://feedproxy.google.com/~r/sciencedaily/strange_science/~3/2j2FSeZMais/150520193953.htm?utm_source=feedburner&utm_medium=email
The skin of the California two-spot octopus can sense light even without input from the central nervous system. The animal does so by using the same family of light-sensitive proteins called opsins found in its eyes -- a process not previously described for cephalopods.