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Rapid evolution of coordinated and collective movement in response to artificial selection

Alexander Kotrschal, Alexander Szorkovszky, View ORCID ProfileJames Herbert-Read, Natasha I. Bloch, Maksym Romenskyy, Séverine Denise Buechel, Ada Fontrodona Eslava, Laura Sánchez Alòs, Hongli Zeng, Audrey Le Foll, Ganaël Braux, Kristiaan Pelckmans, Judith E. Mank, David Sumpter, Niclas Kolm
doi: https://doi.org/10.1101/2020.01.30.926311
Alexander Kotrschal
Stockholm University, Department of Zoology / Ethology, Stockholm, SwedenWageningen University, Behavioural Ecology, Wageningen, Netherlands
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  • For correspondence: alexander.kotrschal@zoologi.su.se
Alexander Szorkovszky
Stockholm University, Department of Zoology / Ethology, Stockholm, SwedenUppsala University, Department of Mathematics, Uppsala, Sweden
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James Herbert-Read
Department of Zoology, University of Cambridge, Cambridge, UKAquatic Ecology, Lund University, Lund, Sweden
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  • ORCID record for James Herbert-Read
Natasha I. Bloch
University of Los Andes, Department of Biomedical Engineering, Bogotá, Colombia
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Maksym Romenskyy
Imperial College London, Department of Life Sciences, London, United Kingdom
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Séverine Denise Buechel
Stockholm University, Department of Zoology / Ethology, Stockholm, Sweden
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Ada Fontrodona Eslava
Stockholm University, Department of Zoology / Ethology, Stockholm, SwedenUniversity of St. Andrews, Centre for Biological Diversity, St. Andrews, United Kingdom
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Laura Sánchez Alòs
Stockholm University, Department of Zoology / Ethology, Stockholm, Sweden
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Hongli Zeng
Nanjing University of Posts and Telecommmunications, School of Science, Nanjing, China
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Audrey Le Foll
Stockholm University, Department of Zoology / Ethology, Stockholm, Sweden
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Ganaël Braux
Stockholm University, Department of Zoology / Ethology, Stockholm, Sweden
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Kristiaan Pelckmans
Uppsala University, Department of Information Technology, Uppsala, Sweden
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Judith E. Mank
University College London, London, United KingdomUniversity of British Columbia, Department of Zoology, Vancouver, Canada
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David Sumpter
Uppsala University, Department of Mathematics, Uppsala, Sweden
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Niclas Kolm
Stockholm University, Department of Zoology / Ethology, Stockholm, Sweden
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Abstract

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 social coordination (group polarization), we demonstrate that social interaction rules can evolve remarkably fast. Within just three generations, groups of polarization selected females showed a 15% increase in polarization, coupled with increased cohesiveness, compared to fish from control lines. They did not differ in physical swimming ability or exploratory behavior. However, polarization selected fish adopted faster speeds, particularly in social contexts, and showed stronger alignment and attraction responses to multiple neighbors. Our results demonstrate that animals’ social interactions can rapidly evolve under strong selection, and reveal which social interaction rules change when collective behavior evolves.

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Posted January 31, 2020.
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Rapid evolution of coordinated and collective movement in response to artificial selection
Alexander Kotrschal, Alexander Szorkovszky, James Herbert-Read, Natasha I. Bloch, Maksym Romenskyy, Séverine Denise Buechel, Ada Fontrodona Eslava, Laura Sánchez Alòs, Hongli Zeng, Audrey Le Foll, Ganaël Braux, Kristiaan Pelckmans, Judith E. Mank, David Sumpter, Niclas Kolm
bioRxiv 2020.01.30.926311; doi: https://doi.org/10.1101/2020.01.30.926311
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Rapid evolution of coordinated and collective movement in response to artificial selection
Alexander Kotrschal, Alexander Szorkovszky, James Herbert-Read, Natasha I. Bloch, Maksym Romenskyy, Séverine Denise Buechel, Ada Fontrodona Eslava, Laura Sánchez Alòs, Hongli Zeng, Audrey Le Foll, Ganaël Braux, Kristiaan Pelckmans, Judith E. Mank, David Sumpter, Niclas Kolm
bioRxiv 2020.01.30.926311; doi: https://doi.org/10.1101/2020.01.30.926311

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