Advantages of living in the dark: Multiple evolution events of 'blind' cavefish
Sunday, January 22, 2012 - 21:30
in Psychology & Sociology
Blind Mexican cavefish have not only lost their sight but have adapted to perpetual darkness by also losing their pigment (albinism) and having altered sleep patterns. New research shows that the cavefish are an example of convergent evolution, with several populations repeatedly, and independently, losing their sight and pigmentation.