Chemical transfer of warning information in non-injured fish

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dc.contributor.authorJordao, L. C.
dc.contributor.authorVolpato, G. L.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:49:48Z
dc.date.available2014-05-20T13:49:48Z
dc.date.issued2000-06-01
dc.description.abstractIn this study we describe pacus, Piaractus mesopotamicus, detecting the presence of a predator by conspecific alerting pheromone. Moreover, we investigate whether this chemical information indicates the presence of a specific predator, or whether it indicates general disturbance. We exposed groups of pacus to the view of a predator fish (trahira, Hoplias malabaricus), a non-predator fish (piracanjuba, Brycon orbignyanus) or an aquarium without any fish (control), and then we transferred their water to isolated conspecifics. We set up six trials of each condition in which we analysed the dispersion and the distance from the visual stimulus in water-donor fish and the distance from the chemical stimulus in water-receiver pacus. This study showed that pacus visually identified the presence of another fish and recognised it as predator or non-predator. This is interpreted as an innate response. Such heterospecific detection affects the behaviour of pacus, which release chemicals that induce conspecifics to adopt a similar behavioural response. At least two chemicals might be involved, one of them possibly an alerting pheromone.en
dc.description.affiliationUNESP, Dept Fisiol, Lab Anim Physiol & Behav, IB,CAUNESP, BR-1861800 Botucatu, SP, Brazil
dc.description.affiliationUnespUNESP, Dept Fisiol, Lab Anim Physiol & Behav, IB,CAUNESP, BR-1861800 Botucatu, SP, Brazil
dc.format.extent681-690
dc.identifierhttp://dx.doi.org/10.1163/156853900502286
dc.identifier.citationBehaviour. Leiden: Brill Academic Publishers, v. 137, p. 681-690, 2000.
dc.identifier.doi10.1163/156853900502286
dc.identifier.issn0005-7959
dc.identifier.urihttp://hdl.handle.net/11449/17765
dc.identifier.wosWOS:000089943400001
dc.language.isoeng
dc.publisherBrill Academic Publishers
dc.relation.ispartofBehaviour
dc.relation.ispartofjcr1.484
dc.relation.ispartofsjr0,808
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectchemical communicationpt
dc.subjectdisturbance pheromonept
dc.subjectalerting pheromonept
dc.subjectpredatorpt
dc.subjectfish behaviourpt
dc.subjectpacupt
dc.subjectPiaractus mesopotamicuspt
dc.titleChemical transfer of warning information in non-injured fishen
dc.typeArtigo
dcterms.licensehttp://www.brill.com/resources/authors/publishing-journals-brill/self-archiving-rights-journals
dcterms.rightsHolderBrill Academic Publishers

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