Evolutionary BiologybioRxivPreprint
Socially-mediated compensatory growth carries hidden sperm costs in male guppies
Elisa Morbiato, Alexandra Glavaschi, Alessandro Devigili, Francesco Santi
The paper shows that social competition in early life leads to compensatory growth in male guppies, which reduces sperm production despite similar adult size.
DOI 10.64898/2026.06.09.731059