Changes driven by the evolution of higher group polarization in the guppy are consistent across different predation pressures and associated with neuroanatomical changes
A. Corral-Lopez, A. Kotrschal, A. Szorkovszky, M. Garate-Olaizola, J. Herbert-Read, W. van der Bijl, M. Romenskyy, H.-L. Zeng, S. D. Buechel, A. Fontrodona-Eslava, K. Pelckmans, J. E. Mank, N. Kolm
The paper shows that guppies selected for higher group polarization maintain this behavior under predation and exhibit neuroanatomical changes linked to improved sensory processing.
bioRxiv · Sep 7, 2022 · PreprintEvolutionary Biology