Estimate of the mutation rate in the endangered Devils Hole pupfish provides equivocal support for the drift-barrier hypothesis at an outlying extreme
David Tian, Élise Kerdoncuff, Kevin P. Wilson, Olin G. Feuerbacher, Michael R. Schwemm, Jennifer M. Gumm, Priya Moorjani, C. Martin
The study estimates mutation rates in Devils Hole pupfish, finding higher rates than expected for its small population size, contradicting the drift-barrier hypothesis.
bioRxiv · Jul 16, 2026 · PreprintEvolutionary Biology