Blind Cavefish Offer Evidence for Alternative Mechanism of Evolutionary Change

December 16th, 2013 @

In a blind fish that dwells in deep, dark Mexican caves, scientists have found evidence for a long-debated mechanism of evolutionary change that is distinct from natural selection of spontaneously arising mutations, as reported this week in the journal Science. The eyeless cavefish Astyanas mexicanus is “a special system in which we can look at […]