Ecomorphology of oral papillae and denticles of Zapteryx brevirostris (Chondrichthyes, Rhinobatidae)

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dc.contributor.authorRangel, Bianca de Sousa
dc.contributor.authorCiena, Adriano Polican [UNESP]
dc.contributor.authorWosnick, Natascha
dc.contributor.authorde Amorim, Alberto Ferreira
dc.contributor.authorKfoury Junior, José Roberto
dc.contributor.authorRici, Rose Eli Grassi
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal do Paraná (UFPR)
dc.contributor.institutionInstituto de Pesca/APTA/SAA/SP
dc.date.accessioned2018-12-11T16:40:58Z
dc.date.available2018-12-11T16:40:58Z
dc.date.issued2016-06-01
dc.description.abstractElasmobranchs have an impressive range of highly specialized sensory systems shaped over 400 million years of evolution. The morphological analysis of oral papillae and denticle in elasmobranchs elucidates the biological role that these structures play during feeding and ventilation, bringing important descriptive information about ecological implications in an evolutionary context. The present study provides descriptions of the distribution patterns, histological characteristics and three-dimensional aspects of oral papillae and denticles in the lesser guitarfish Zapteryx brevirostris, through light microscopy and scanning electron microscopy. The presence of oral denticles in the oropharyngeal cavity suggests that this structure may have the following functions: protect against abrasion and parasites, increase the ability to grasp and hold prey and assist in reduction in hydrodynamic drag. The denticles in Z. brevirostris are similar to those found in pelagic sharks with forced ventilation (RAM). The structural conformity of denticles observed in the gill slits may facilitate water flow during prey grasp and food processing. This study supports the hypothesis that these structures may be an adaptive reflection shaped by feeding habits, capture strategies and processing prey.en
dc.description.affiliationDepartamento de Cirurgia Faculdade de Medicina Veterinária e Zootecnia Universidade de São Paulo, Rua Professor Orlando Marques Paiva, s/n
dc.description.affiliationLaboratório de Morfologia-“LAMAF” Instituto de Biociências Universidade Estadual Paulista-UNESP, Av. 24ª, nº. 1515, Bairro: Bela Vista
dc.description.affiliationDepartamento de Fisiologia Setor de Ciências Biológicas Centro Politécnico Universidade Federal do Paraná
dc.description.affiliationNúcleo de Pesquisa e Desenvolvimento Instituto de Pesca/APTA/SAA/SP, Av. Bartolomeu de Gusmão, nº 192
dc.description.affiliationUnespLaboratório de Morfologia-“LAMAF” Instituto de Biociências Universidade Estadual Paulista-UNESP, Av. 24ª, nº. 1515, Bairro: Bela Vista
dc.format.extent189-195
dc.identifierhttp://dx.doi.org/10.1007/s00435-016-0304-0
dc.identifier.citationZoomorphology, v. 135, n. 2, p. 189-195, 2016.
dc.identifier.doi10.1007/s00435-016-0304-0
dc.identifier.file2-s2.0-84957642727.pdf
dc.identifier.issn0720-213X
dc.identifier.lattes394035972325338
dc.identifier.orcid0000-0002-2912-3376
dc.identifier.scopus2-s2.0-84957642727
dc.identifier.urihttp://hdl.handle.net/11449/168367
dc.language.isoeng
dc.relation.ispartofZoomorphology
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectFeeding
dc.subjectGuitarfish
dc.subjectOropharyngeal cavity
dc.subjectTasting
dc.subjectVentilation
dc.titleEcomorphology of oral papillae and denticles of Zapteryx brevirostris (Chondrichthyes, Rhinobatidae)en
dc.typeArtigo
unesp.author.lattes394035972325338[2]
unesp.author.orcid0000-0002-2912-3376[2]

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