Water temperature affects aggressive interactions in a Neotropical cichlid fish

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dc.contributor.authorBrandão, Manuela L. [UNESP]
dc.contributor.authorColognesi, Gisele [UNESP]
dc.contributor.authorBolognesi, Marcela C. [UNESP]
dc.contributor.authorCosta-Ferreira, Roselene S. [UNESP]
dc.contributor.authorCarvalho, Thaís B.
dc.contributor.authorGonçalves-de-Freitas, Eliane [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal do Amazonas (UFAM)
dc.date.accessioned2018-12-11T17:19:09Z
dc.date.available2018-12-11T17:19:09Z
dc.date.issued2018-01-01
dc.description.abstractChanges in water temperature may affect the aggressive behavior of aquatic organisms, such as fish, either by changing some physiological mechanisms or by increasing the probability of encounters between individuals as a result of variation in their swimming activity. In our study, we evaluated the influence of increasing and decreasing temperature on the aggressive behavior of the Neotropical cichlid fish Cichlasoma paranaense. Firstly, we tested the critical thermal maximum (CTMax) tolerated by this species. Then, we tested the effect of decreasing or increasing the water temperature in 6o C (starting at 27° C) on the aggressive interactions of fish under isolation or housed in groups. We found a CTMax value of 39° C for C. paranaense. We also observe that a 6° C decrease in water temperature lowers swimming activity and aggressive interactions in both isolated and group-housed fish, as expected. On the other hand, the increase in temperature had no effect on the fish’s aggressive behavior, neither for isolated nor for grouped fish. We concluded that C. paranaense shows high tolerance to elevated temperatures and, in turn, it does not affect aggressive behavior. Nevertheless, we cannot dismiss possible effects of elevated temperatures on aggressive interactions over longer periods. Keywords: Agonistic behavior, Critical thermal maximum, Social hierarchy, Social isolation, Thermal environmental changes.en
dc.description.affiliationLaboratório de Comportamento Animal Departamento de Zoologia e Botânica Universidade Estadual Paulista (UNESP), Rua Cristóvão Colombo, 2265
dc.description.affiliationCentro de Aquicultura da UNESP
dc.description.affiliationLaboratório de Fisiologia Departamento de Ciências Fisiológicas Universidade Federal do Amazonas (UFAM), Avenida General Rodrigo Otávio 6200
dc.description.affiliationUnespLaboratório de Comportamento Animal Departamento de Zoologia e Botânica Universidade Estadual Paulista (UNESP), Rua Cristóvão Colombo, 2265
dc.description.affiliationUnespCentro de Aquicultura da UNESP
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado do Amazonas
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIdFundação de Amparo à Pesquisa do Estado do Amazonas: 015/2014-PAPAC
dc.description.sponsorshipIdFAPESP: 2011/01683-9
dc.description.sponsorshipIdFAPESP: 2012/05498-4
dc.description.sponsorshipIdCNPq: 308237/2010-2
dc.identifierhttp://dx.doi.org/10.1590/1982-0224-20170081
dc.identifier.citationNeotropical Ichthyology, v. 16, n. 1, 2018.
dc.identifier.doi10.1590/1982-0224-20170081
dc.identifier.fileS1679-62252018000100212.pdf
dc.identifier.issn1982-0224
dc.identifier.issn1679-6225
dc.identifier.scieloS1679-62252018000100212
dc.identifier.scopus2-s2.0-85044787521
dc.identifier.urihttp://hdl.handle.net/11449/176121
dc.language.isoeng
dc.relation.ispartofNeotropical Ichthyology
dc.relation.ispartofsjr0,559
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectAgonistic behavior
dc.subjectCritical thermal maximum
dc.subjectSocial hierarchy
dc.subjectSocial isolation
dc.subjectThermal environmental changes
dc.titleWater temperature affects aggressive interactions in a Neotropical cichlid fishen
dc.typeArtigo
unesp.author.orcid0000-0002-8686-1076[1]

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