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Anatomy of the olfactory system and potential role for chemical communication in the soundā€producing lusitanian toadfish, halobatrachus didactylus

2024-04-17Journal article Open access
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dc.contributor.authorModesto, Teresa
dc.contributor.authorGregĆ³rio, Beatriz Neves
dc.contributor.authorMarcelino, GonƧalo
dc.contributor.authorMarquet, Nathalie
dc.contributor.authorCosta, Rita
dc.contributor.authorGuerreiro da Costa Guerreiro, Pedro Miguel
dc.contributor.authorVelez, ZĆ©lia
dc.contributor.authorHubbard, Peter
dc.date.accessioned2024-09-06T12:57:58Z
dc.date.available2024-09-06T12:57:58Z
dc.date.issued2024-04-17
dc.description.abstractThe current study investigated the structure and function of the olfactory system of the Lusitanian toadfish, Halobatrachus didactylus, using histology and electrophysiology (electro-olfactogram [EOG]), respectively. The olfactory system consists of a digitated anterior peduncle, of unknown function, containing the inhalant nostril. This then leads to a U-shaped olfactory chamber with the olfactory epithelium-identified by G(alpha olf)-immunoreactivity-on the ventral surface. A large lacrimal sac is connected to this tube and is likely involved in generating water movement through the olfactory chamber (this species is largely sedentary). The exhalent nostril lies by the eye and is preceded by a bicuspid valve to ensure one-way flow of water. As do other teleosts, H. didactylus had olfactory sensitivity to amino acids and bile acids. Large-amplitude EOG responses were evoked by fluid from the anterior and posterior testicular accessory glands, and bile and intestinal fluids. Anterior gland and intestinal fluids from reproductive males were significantly more potent than those from non-reproductive males. Male urine and skin mucus proved to be the least potent body fluids tested. These results suggest that chemical communication-as well as acoustic communication-may be important in the reproduction of this species and that this may be mediated by the accessory glands and intestinal fluid.eng
dc.identifier.doi10.1111/jfb.15751
dc.identifier.eissn1095-8649
dc.identifier.issn0022-1112
dc.identifier.urihttp://hdl.handle.net/10400.1/25858
dc.language.isoeng
dc.peerreviewedyes
dc.publisherWiley
dc.relationOlfactory disruption in the Ria Formosa?
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relation.ispartofJournal of Fish Biology
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAccessory glands
dc.subjectElectro-olfactogram
dc.subjectIntestinal fluid
dc.subjectOlfaction
dc.subjectPheromone
dc.subjectReproduction
dc.titleAnatomy of the olfactory system and potential role for chemical communication in the soundā€producing lusitanian toadfish, halobatrachus didactyluseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleOlfactory disruption in the Ria Formosa?
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/EXPL%2FBIA-ECO%2F1161%2F2021/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0101%2F2020/PT
oaire.citation.issue1
oaire.citation.titleJournal of Fish Biology
oaire.citation.volume105
oaire.fundingStream3599-PPCDT
oaire.fundingStream6817 - DCRRNI ID
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oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameModesto
person.familyNameMarquet
person.familyNameCosta
person.familyNameGuerreiro da Costa Guerreiro
person.familyNameVelez
person.familyNameHubbard
person.givenNameTeresa
person.givenNameNathalie
person.givenNameRita
person.givenNamePedro Miguel
person.givenNameZĆ©lia
person.givenNamePeter
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person.identifier.orcid0000-0001-5371-7919
person.identifier.orcid0000-0003-2761-4048
person.identifier.orcid0000-0002-3007-4647
person.identifier.ridO-9136-2018
person.identifier.ridM-5283-2013
person.identifier.ridB-2823-2008
person.identifier.scopus-author-id6603372075
person.identifier.scopus-author-id57193647721
person.identifier.scopus-author-id57097731700
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