Does the match between individual and group behavior matter in shoaling sticklebacks?

Kim, S.‐Y., Álvarez‐Quintero, N. and Metcalfe, N. B. (2022) Does the match between individual and group behavior matter in shoaling sticklebacks? Ecology and Evolution, 12(2), e8581. (doi: 10.1002/ece3.8581) (PMID:35222959) (PMCID:PMC8844133)

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Abstract

In animals living in groups, the social environment is fundamental to shaping the behaviors and life histories of an individual. A mismatch between individual and group behavior patterns may have disadvantages if the individual is incapable of flexibly changing its state in response to the social environment that influences its energy gain and expenditure. We used different social groups of juvenile three-spined sticklebacks (Gasterosteus aculeatus) with experimentally manipulated compositions of individual sociability to study the feedback between individual and group behaviors and to test how the social environment shapes behavior, metabolic rate, and growth. Experimentally created unsociable groups, containing a high proportion of less sociable fish, showed bolder collective behaviors during feeding than did corresponding sociable groups. Fish within groups where the majority of members had a level of sociability similar to their own gained more mass than did those within mismatched groups. Less sociable individuals within sociable groups tended to have a relatively low mass but a high standard metabolic rate. A mismatch between the sociability of an individual and that of the majority of the group in which it is living confers a growth disadvantage probably due to the expression of nonadaptive behaviors that increase energetic costs.

Item Type:Articles
Additional Information:This work was supported by research grants provided by the Ministerio de Ciencia, Innovación y Universidades (PGC2018-095412-B-I00) and the Xunta de Galicia (ED431F 2017/07). S.-Y.K. and N.Á.-Q. were funded by Ramon y Cajal fellowship (RYC-2015-18317) and FPI student grant (BES-2016-078894) from the Ministerio de Ciencia, Innovación y Universidades; N.B.M. was funded by an ERC Advanced Grant (834653).
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Metcalfe, Professor Neil
Creator Roles:
Metcalfe, N. B.Conceptualization, Formal analysis, Funding acquisition, Writing – original draft
Authors: Kim, S.‐Y., Álvarez‐Quintero, N., and Metcalfe, N. B.
College/School:College of Medical Veterinary and Life Sciences > Institute of Biodiversity Animal Health and Comparative Medicine
Journal Name:Ecology and Evolution
Publisher:Wiley
ISSN:2045-7758
ISSN (Online):2045-7758
Copyright Holders:Copyright © 2022 The Authors
First Published:First published in Ecology and Evolution 12(2):e8581
Publisher Policy:Reproduced under a Creative Commons Licence

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
305090MITOWILDNeil MetcalfeEuropean Commission (EC)834653Institute of Biodiversity, Animal Health and Comparative Medicine