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Vocal behavior predicts reproductive success in a teleost fish

2012Journal article Open access
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dc.contributor.authorVasconcelos, Raquel
dc.contributor.authorCarriço, Rita Andreia Oliveira
dc.contributor.authorRamos, Andreia
dc.contributor.authorModesto, Teresa
dc.contributor.authorFonseca, Paulo
dc.contributor.authorAmorim, Maria Clara
dc.date.accessioned2012-04-19T13:18:03Z
dc.date.available2012-04-19T13:18:03Z
dc.date.issued2012
dc.description.abstractThe relation between acoustic signaling and reproductive success is important to understand the evolution of vocal communication systems and has been well studied in several taxa but never clearly shown in fish. This study aims to investigate whether vocal behavior affects the reproductive success in the Lusitanian toadfish (Halobatrachus didactylus) that relies on acoustic communication to attract mates. We recorded 56 nest-holding (type I) males during the breeding season and analyzed the calling performance and acoustic features of the mate advertising sounds (boatwhistles) exhibited over circa 2 weeks. Hormonal levels of the subjects and the number of eggs (reproductive success) present in the respective nests were quantified. Nesting males attracted both females and other males, namely smaller type I males with significantly lower total length (TL), body condition, sonic muscle mass, gonad mass, and accessory glands mass. Calling rate (CR), calling effort (CE) (% time spent calling), and sound dominant frequency were significantly higher in nesting males with clutches than in those without clutches. Sex steroids (11-ketotestosterone and testosterone) were not correlated with vocal parameters or number of eggs. Maximum CR and CE were the best predictors of the number of eggs. In addition, these vocal variables were best explained by male's TL, condition, and sonic muscle mass. We provide first evidence that vocal behavior significantly determines reproductive success in a vocal fish and show that acoustic signaling at higher and constant rates can operate as an indicator of the male's size and body condition and probably of elevated motivation for reproduction.por
dc.identifier.citationBehavioral Ecology, 23 (2) (March-April 2012) pp. 375-383por
dc.identifier.otherAUT: TMO00411;
dc.identifier.urihttp://hdl.handle.net/10400.1/1054
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherOxford Journalspor
dc.relation.publisherversionhttp://beheco.oxfordjournals.org/content/23/2/375.abstractpor
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAcoustic communicationpor
dc.subjectBatrachoididaepor
dc.subjectMate attractionpor
dc.subjectReproductive successpor
dc.subjectToadfishpor
dc.titleVocal behavior predicts reproductive success in a teleost fishpor
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/PDCT/PDCT%2FMAR%2F58071%2F2004/PT
oaire.citation.endPage383por
oaire.citation.issue23(2)por
oaire.citation.startPage375por
oaire.citation.titleBehavioral Ecologypor
oaire.fundingStreamPDCT
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isProjectOfPublication38e01a03-9caf-47dd-aefa-fe91d05c9658
relation.isProjectOfPublication.latestForDiscovery38e01a03-9caf-47dd-aefa-fe91d05c9658

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