In the dark for 11 million years: How blind cavefish rewrote evolution

Yale scientists discovered that cavefish species independently evolved blindness and depigmentation as they adapted to dark cave environments, with some lineages dating back over 11 million years. This new genetic method not only reveals ancient cave ages but may also shed light on human eye diseases.

source https://www.sciencedaily.com/releases/2025/08/250828002412.htm