Cavefish Survives Deep Underground for Long Periods of Time; How Does It Cope With a Low-oxygen Atmosphere?
Cavefish exhibit apparent adaptations, such as missing eyes and muted colors, that demonstrate how they evolved over centuries in a dark, subterranean home
United States Joshua Gross University Of California College Arts Getty Images Blind Cavefish Evidence Expedited Evolution Triggered
Source: natureworldnews.com