Over 11 Million Years Of Evolution, Eyeless Cavefish Developed Blindness Independently Many Times
Over 11 Million Years Of Evolution, Eyeless Cavefish Developed Blindness Independently Many TimesEyeless, colorless fish inhabit the rivers running through caverns beneath the eastern and southern United States. Who needs eyes or a flashy appearance when you live in complete darkness? Remarkably, this trait evolved independently at least four times among cavefish, making them a striking example...