TY - JOUR
T1 - Rapid evolution of coordinated and collective movement in response to artificial selection
AU - Kotrschal, Alexander
AU - Szorkovszky, Alexander
AU - Herbert-Read, James
AU - Bloch, Natasha I.
AU - Romenskyy, Maksym
AU - Buechel, Séverine Denise
AU - Eslava, Ada Fontrodona
AU - Alòs, Laura Sánchez
AU - Zeng, Hongli
AU - Le Foll, Audrey
AU - Braux, Ganaël
AU - Pelckmans, Kristiaan
AU - Mank, Judith E.
AU - Sumpter, David
AU - Kolm, Niclas
PY - 2020
Y1 - 2020
N2 - Collective motion occurs when individuals use social interaction rules to respond to the movements and positions of their neighbors. How readily these social decisions are shaped by selection remains unknown. Through artificial selection on fish (guppies, Poecilia reticulata) for increased group polarization, we demonstrate rapid evolution in how individuals use social interaction rules. Within only three generations, groups of polarization-selected females showed a 15% increase in polarization, coupled with increased cohesiveness, compared to fish from control lines. Although lines did not differ in their physical swimming ability or exploratory behavior, polarization-selected fish adopted faster speeds, particularly in social contexts, and showed stronger alignment and attraction responses to multiple neighbors. Our results reveal the social interaction rules that change when collective behavior evolves.
AB - Collective motion occurs when individuals use social interaction rules to respond to the movements and positions of their neighbors. How readily these social decisions are shaped by selection remains unknown. Through artificial selection on fish (guppies, Poecilia reticulata) for increased group polarization, we demonstrate rapid evolution in how individuals use social interaction rules. Within only three generations, groups of polarization-selected females showed a 15% increase in polarization, coupled with increased cohesiveness, compared to fish from control lines. Although lines did not differ in their physical swimming ability or exploratory behavior, polarization-selected fish adopted faster speeds, particularly in social contexts, and showed stronger alignment and attraction responses to multiple neighbors. Our results reveal the social interaction rules that change when collective behavior evolves.
U2 - 10.1126/sciadv.aba3148
DO - 10.1126/sciadv.aba3148
M3 - Article
C2 - 33268362
AN - SCOPUS:85097121032
SN - 2375-2548
VL - 6
JO - Science Advances
JF - Science Advances
IS - 49
M1 - eaba3148
ER -