Schooling preferences for familiar fish vary with group size in a wild guppy population

Abstract

Restricted accessMoreSectionsView PDF ToolsAdd to favoritesDownload CitationsTrack Citations ShareShare onFacebookTwitterLinked InRedditEmail Cite this article Griffiths Siân W. and Magurran Anne E. 1997Schooling preferences for familiar fish vary with group size in a wild guppy populationProc. R. Soc. Lond. B.264547–551http://doi.org/10.1098/rspb.1997.0078SectionRestricted accessSchooling preferences for familiar fish vary with group size in a wild guppy population Siân W. Griffiths Siân W. Griffiths School of Biological and Medical Sciences, University of St Andrews, St Andrews, Fife KY16 9TS, UK Google Scholar Find this author on PubMed Search for more papers by this author and Anne E. Magurran Anne E. Magurran School of Biological and Medical Sciences, University of St Andrews, St Andrews, Fife KY16 9TS, UK Google Scholar Find this author on PubMed Search for more papers by this author Siân W. Griffiths Siân W. Griffiths School of Biological and Medical Sciences, University of St Andrews, St Andrews, Fife KY16 9TS, UK Google Scholar Find this author on PubMed Search for more papers by this author and Anne E. Magurran Anne E. Magurran School of Biological and Medical Sciences, University of St Andrews, St Andrews, Fife KY16 9TS, UK Google Scholar Find this author on PubMed Search for more papers by this author Published:22 April 1997https://doi.org/10.1098/rspb.1997.0078AbstractThe ability of fish to recognize and preferentially associate with familiar conspecifics has been well documented in a series of laboratory experiments. In this paper we investigate the schooling preferences of wild female guppies, Poecilia reticulata, in the Upper Tunapuna River in Trinidad and confirm that they do indeed prefer to associate with familiar individuals. The guppies in this river occur in a series of pools that become isolated during the dry season. These fish interact solely with other individuals in their pool for periods of several months at a time and thus have ample opportunity to become accustomed to one another. Our study also reveals that the tendency of female guppies to school with familiar fish declines as the group size in which they naturally live increases. Preferences are strong when there are small numbers of females in a pool, but diminish thereafter. This indicates that the expression of familiarity is constrained by group size. The basis of recognition and the consequences of schooling preferences for familiar individuals are discussed. Previous ArticleNext Article VIEW FULL TEXT DOWNLOAD PDF FiguresRelatedReferencesDetailsCited by Gokcekus S, Firth J, Regan C and Sheldon B (2021) Recognising the key role of individual recognition in social networks, Trends in Ecology & Evolution, 10.1016/j.tree.2021.06.009, Online publication date: 1-Jul-2021. 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