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dc.contributor.authorCerqueira, Margarida-
dc.contributor.authorRey, Sonia-
dc.contributor.authorFeatherstone, Zoe-
dc.contributor.authorCrumlish, Margaret-
dc.contributor.authorMacKenzie, Simon-
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 tilapiaOreochromis niloticusreflects 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 (TCHtank) ranging from 21 to 33 °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 bacterialStreptococcus iniaemodel 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.en_UK
dc.relationCerqueira M, Rey S, Featherstone Z, Crumlish M & MacKenzie S (2016) Thermal preference predicts animal personality in Nile tilapia Oreochromis niloticus, Journal of Animal Ecology, 85 (5), pp. 1389-1400.-
dc.rightsThis item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. This is the peer reviewed version of the following article: Cerqueira, M., Rey, S., Silva, T., Featherstone, Z., Crumlish, M. and MacKenzie, S. (2016), Thermal preference predicts animal personality in Nile tilapia Oreochromis niloticus. Journal of Animal Ecology, 85: 1389–1400. doi:10.1111/1365-2656.12555, which has been published in final form at This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.-
dc.subjectthermal preferenceen_UK
dc.subjectanimal personalityen_UK
dc.subjectenvironmental choiceen_UK
dc.subjectbehavioural feveren_UK
dc.subjectNile Tilapiaen_UK
dc.subjectphysiological regulationen_UK
dc.titleThermal preference predicts animal personality in Nile tilapia Oreochromis niloticusen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreasonPublisher requires embargo of 12 months after formal publication.-
dc.citation.jtitleJournal of Animal Ecology-
dc.type.statusPost-print (author final draft post-refereeing)-
dc.contributor.affiliationUniversity of Algarve-
dc.contributor.affiliationUniversity of Stirling-
Appears in Collections:Aquaculture Journal Articles

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