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Thermal preference predicts animal personality in Nile tilapia Oreochromis niloticus

2016-09Journal article Restricted access
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dc.contributor.authorCerqueira, Marco
dc.contributor.authorRey, Sonia
dc.contributor.authorSilva, Tome
dc.contributor.authorFeatherstone, Zoe
dc.contributor.authorCrumlish, Margaret
dc.contributor.authorMacKenzie, Simon
dc.date.accessioned2017-04-07T15:56:04Z
dc.date.available2017-04-07T15:56:04Z
dc.date.issued2016-09
dc.description.abstract1. Environmental temperature gradients provide habitat structure in which fish orientate and individual thermal choice may reflect an essential integrated response to the environment. The use of subtle thermal gradients likely impacts upon specific physiological and behavioural processes reflected as a suite of traits described by animal personality. In this study, we examine the relationship between thermal choice, animal personality and the impact of infection upon this interaction.2. We predicted that thermal choice in Nile tilapia Oreochromis niloticus reflects distinct personality traits and that under a challenge individuals exhibit differential thermal distribution.3. Nile tilapia were screened following two different protocols: 1) a suite of individual behavioural tests to screen for personality and 2) thermal choice in a custom-built tank with a thermal gradient (TCH tank) ranging from 21 to 33 degrees C. A first set of fish were screened for behaviour and then thermal preference, and a second set were tested in the opposite fashion: thermal then behaviour. The final thermal distribution of the fish after 48 h was assessed reflecting final thermal preferendum. Additionally, fish were then challenged using a bacterial Streptococcus iniae model infection to assess the behavioural fever response of proactive and reactive fish.4. Results showed that individuals with preference for higher temperatures were also classified as proactive with behavioural tests and reactive contemporaries chose significantly lower water temperatures. All groups exhibited behavioural fever recovering personality-specific thermal preferences after 5 days.5. Our results show that thermal preference can be used as a proxy to assess personality traits in Nile tilapia and it is a central factor to understand the adaptive meaning of animal personality within a population. Importantly, response to infection by expressing behavioural fever overrides personality-related thermal choice.
dc.identifier.doi10.1111/1365-2656.12555
dc.identifier.issn0021-8790
dc.identifier.urihttp://hdl.handle.net/10400.1/9302
dc.language.isoeng
dc.peerreviewedyes
dc.publisherWiley
dc.relationAQUAculture infrastructures for EXCELLence in European Fish research
dc.relation.isbasedonWOS:000388353400026
dc.titleThermal preference predicts animal personality in Nile tilapia Oreochromis niloticus
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAQUAculture infrastructures for EXCELLence in European Fish research
oaire.awardURIinfo:eu-repo/grantAgreement/EC/FP7/262336/EU
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F80029%2F2011/PT
oaire.citation.endPage1400
oaire.citation.issue5
oaire.citation.startPage1389
oaire.citation.titleJournal of Animal Ecology
oaire.citation.volume85
oaire.fundingStreamFP7
oaire.fundingStreamSFRH
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameEuropean Commission
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isProjectOfPublication16bef47e-1575-4152-be2a-e6c4d1fd3569
relation.isProjectOfPublicatione504419d-7dec-44db-9567-a05200d29542
relation.isProjectOfPublication.latestForDiscovery16bef47e-1575-4152-be2a-e6c4d1fd3569

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