Report on fetal mummification in the scalloped hammerhead shark Sphyrna lewini

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniv Fed Rio Grande FURG-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorMartins, Mariana F. [UNESP]-
Autor(es): dc.creatorRolim, Fernanda A. [UNESP]-
Autor(es): dc.creatorGadig, Otto B. F. [UNESP]-
Data de aceite: dc.date.accessioned2022-02-22T00:10:44Z-
Data de disponibilização: dc.date.available2022-02-22T00:10:44Z-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2020-05-20-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1111/jfb.14368-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/196890-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/196890-
Descrição: dc.descriptionThis study describes the fetal mummification process in two embryos of a 310 cm total length scalloped hammerhead shark Sphyrna lewini caught in southeastern Brazil, in December 2017. Fourteen embryos were observed in total, in which two males in the left uterus presented different stages of mummification. Both mummified embryos were covered by an exudate (i.e., a mucous substance), indicating a hematic mummification process. All embryos were at the placentotrophic stage of development, indicating that they were close to parturition. An intrinsic characteristic is suggested as possible etiology for this condition, such as umbilical torsion, because both embryos were at different sizes and, therefore, at different development stages. In addition, the sample size did not allow the authors to presume any pollution effect once only one female was observed. Finally, fetal mummification and other embryonic development disorders might have populational impacts due to reduction in embryo survival and, consequently, recruitment. For this reason and considering that S. lewini is categorized as a critically endangered species, this study's results have conservational relevance.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionUniv Fed Rio Grande FURG, Programa Posgrad Ciencias Fisiol, Inst Ciencias Biol, Ave Italia Km 8, BR-96203900 Rio Grande, RS, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, Lab Pesquisas Elasmobranquios, Inst Biociencias, Sao Vicente, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, Programa Posgrad Ciencias Biol Zool, Inst Biociencias, Rio Claro, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, Lab Pesquisas Elasmobranquios, Inst Biociencias, Sao Vicente, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, Programa Posgrad Ciencias Biol Zool, Inst Biociencias, Rio Claro, Brazil-
Descrição: dc.descriptionCAPES: 001-
Descrição: dc.descriptionCNPq: 308430/2015-8-
Formato: dc.format309-313-
Idioma: dc.languageen-
Publicador: dc.publisherWiley-Blackwell-
Relação: dc.relationJournal Of Fish Biology-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectCarcharhiniformes-
Palavras-chave: dc.subjectembryo-
Palavras-chave: dc.subjecthematic mummification-
Palavras-chave: dc.subjectSphyrnidae-
Palavras-chave: dc.subjectumbilical torsion-
Título: dc.titleReport on fetal mummification in the scalloped hammerhead shark Sphyrna lewini-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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