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Emergence and repeatability of leadership and coordinated motion in fish shoals

Dimitra Georgopoulou, Andrew King Orcid Logo, Rowan Brown Orcid Logo, Ines Fuertbauer Orcid Logo

Behavioral Ecology, Volume: 33, Issue: 1, Pages: 47 - 54

Swansea University Authors: Dimitra Georgopoulou, Andrew King Orcid Logo, Rowan Brown Orcid Logo, Ines Fuertbauer Orcid Logo

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DOI (Published version): 10.1093/beheco/arab108

Abstract

Studies of self-organizing groups like schools of fish or flocks of birds have sought to uncover the behavioral rules individuals use (local-level interactions) to coordinate their motion (global-level patterns). However, empirical studies tend to focus on short-term or one-off observations where co...

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Published in: Behavioral Ecology
ISSN: 1045-2249 1465-7279
Published: Oxford University Press (OUP) 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa57907
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The identities of leaders and followers were repeatable across two trials, and coordination was reached more quickly during the second trial and by groups of fish with higher activity levels (tested before trials). 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spelling 2022-03-16T10:57:44.1310390 v2 57907 2021-09-16 Emergence and repeatability of leadership and coordinated motion in fish shoals 627f3c06882b27bfc5889a7ffc9fb2d0 Dimitra Georgopoulou Dimitra Georgopoulou true false cc115b4bc4672840f960acc1cb078642 0000-0002-6870-9767 Andrew King Andrew King true false d7db8d42c476dfa69c15ce06d29bd863 0000-0003-3628-2524 Rowan Brown Rowan Brown true false f682ec95fa97c4fabb57dc098a9fdaaa 0000-0003-1404-6280 Ines Fuertbauer Ines Fuertbauer true false 2021-09-16 Studies of self-organizing groups like schools of fish or flocks of birds have sought to uncover the behavioral rules individuals use (local-level interactions) to coordinate their motion (global-level patterns). However, empirical studies tend to focus on short-term or one-off observations where coordination has already been established or describe transitions between different coordinated states. As a result, we have a poor understanding of how behavioral rules develop and are maintained in groups. Here, we study the emergence and repeatability of coordinated motion in shoals of stickleback fish (Gasterosteus aculeatus). Shoals were introduced to a simple environment, where their spatio-temporal position was deduced via video analysis. Using directional correlation between fish velocities and wavelet analysis of fish positions, we demonstrate how shoals that are initially uncoordinated in their motion quickly transition to a coordinated state with defined individual leader-follower roles. The identities of leaders and followers were repeatable across two trials, and coordination was reached more quickly during the second trial and by groups of fish with higher activity levels (tested before trials). The rapid emergence of coordinated motion and repeatability of social roles in stickleback fish shoals may act to reduce uncertainty of social interactions in the wild, where individuals live in a system with high fission-fusion dynamics and non-random patterns of association. Journal Article Behavioral Ecology 33 1 47 54 Oxford University Press (OUP) 1045-2249 1465-7279 collective behavior, coordination, emergence, leadership, phase transition, shoaling, time-depth 19 2 2022 2022-02-19 10.1093/beheco/arab108 COLLEGE NANME COLLEGE CODE Swansea University SU Library paid the OA fee (TA Institutional Deal) ONRG - RESEARCH GRANT - N62909-21-1-2030; £157911.35; BSR1096-100 Navy Grant; "Animals are not particles: a framework for second generation hetero-swarm robotics", Co-I FU‐985/1‐1, NE/H016600/3, RG 110401, EP/M000621/1 2022-03-16T10:57:44.1310390 2021-09-16T09:53:17.0955912 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Dimitra Georgopoulou 1 Andrew King 0000-0002-6870-9767 2 Rowan Brown 0000-0003-3628-2524 3 Ines Fuertbauer 0000-0003-1404-6280 4 57907__22610__0101685045f04d0cb2dac17934c030db.pdf 57907.pdf 2022-03-16T10:56:03.5488002 Output 6149077 application/pdf Version of Record true © The Author(s) 2021. This is an Open Access article distributed under the terms of the Creative Commons Attribution License true eng https://creativecommons.org/licenses/by/4.0/
title Emergence and repeatability of leadership and coordinated motion in fish shoals
spellingShingle Emergence and repeatability of leadership and coordinated motion in fish shoals
Dimitra Georgopoulou
Andrew King
Rowan Brown
Ines Fuertbauer
title_short Emergence and repeatability of leadership and coordinated motion in fish shoals
title_full Emergence and repeatability of leadership and coordinated motion in fish shoals
title_fullStr Emergence and repeatability of leadership and coordinated motion in fish shoals
title_full_unstemmed Emergence and repeatability of leadership and coordinated motion in fish shoals
title_sort Emergence and repeatability of leadership and coordinated motion in fish shoals
author_id_str_mv 627f3c06882b27bfc5889a7ffc9fb2d0
cc115b4bc4672840f960acc1cb078642
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author_id_fullname_str_mv 627f3c06882b27bfc5889a7ffc9fb2d0_***_Dimitra Georgopoulou
cc115b4bc4672840f960acc1cb078642_***_Andrew King
d7db8d42c476dfa69c15ce06d29bd863_***_Rowan Brown
f682ec95fa97c4fabb57dc098a9fdaaa_***_Ines Fuertbauer
author Dimitra Georgopoulou
Andrew King
Rowan Brown
Ines Fuertbauer
author2 Dimitra Georgopoulou
Andrew King
Rowan Brown
Ines Fuertbauer
format Journal article
container_title Behavioral Ecology
container_volume 33
container_issue 1
container_start_page 47
publishDate 2022
institution Swansea University
issn 1045-2249
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doi_str_mv 10.1093/beheco/arab108
publisher Oxford University Press (OUP)
college_str Faculty of Science and Engineering
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hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
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department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
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description Studies of self-organizing groups like schools of fish or flocks of birds have sought to uncover the behavioral rules individuals use (local-level interactions) to coordinate their motion (global-level patterns). However, empirical studies tend to focus on short-term or one-off observations where coordination has already been established or describe transitions between different coordinated states. As a result, we have a poor understanding of how behavioral rules develop and are maintained in groups. Here, we study the emergence and repeatability of coordinated motion in shoals of stickleback fish (Gasterosteus aculeatus). Shoals were introduced to a simple environment, where their spatio-temporal position was deduced via video analysis. Using directional correlation between fish velocities and wavelet analysis of fish positions, we demonstrate how shoals that are initially uncoordinated in their motion quickly transition to a coordinated state with defined individual leader-follower roles. The identities of leaders and followers were repeatable across two trials, and coordination was reached more quickly during the second trial and by groups of fish with higher activity levels (tested before trials). The rapid emergence of coordinated motion and repeatability of social roles in stickleback fish shoals may act to reduce uncertainty of social interactions in the wild, where individuals live in a system with high fission-fusion dynamics and non-random patterns of association.
published_date 2022-02-19T04:13:59Z
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