Strong but diffuse genetic divergence underlies differentiation in an incipient species of marine stickleback
Alexandra X. Sumarli, Colby Behrens, Gina Lucas, Michael J. Olufemi, Paul Bentzen, Alison M. Bell, Frédéric J. J. Chain, Kieran Samuk
This study examines genomic divergence between two sympatric marine stickleback ecotypes, finding widespread low differentiation and recent divergence with limited gene flow.
bioRxiv · Sep 19, 2025 · PreprintEvolutionary Biology