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How an unlikely all-female clonal fish species copied and pasted itself free from extinction
- March 13, 2026 at 5:40 PM
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The tiny Amazon molly (Poecilia formosa) has always fascinated researchers because, according to the rules of evolution, it shouldn't have survived as a species, let alone thrive as a species for over 100,000 years. Using advanced genetic mapping and comparison techniques to track how the Amazon molly's DNA has changed over time, a new study set out to uncover the genetic secrets behind this apparent rebellion against evolutionary theory.
Originally published at Phys.org