Chamaeleons are most famous for changing colour and moving their eyes independently of each other. However, both these behaviours are commonplace in many families of fish. For instance, this leopard flounder (Bothus pantherinus) changes colour rapidly to maximize its camouflage against the background and can readily move its eyes, one at a time, to look out for predators and prey. Photo reproduced by permission of Johan Lind, Stockholm University, Sweden.


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Ancillary