Evolutionary BiologyProceedings of the Royal Society B: Biological SciencesPeer-reviewed
Recent evolution of large offspring size and post-fertilization nutrient provisioning in swordtails
C. Y. Payne, D. Ly, R. A. Rodriguez-Soto…·M. Schumer
This study compares reproductive strategies between two swordtail fish species, finding that X. malinche produces larger, more resilient offspring through extended post-fertilization nutrient provisioning.
DOI 10.1098/rspb.2025.1945