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Sexual dimorphism in Kinosternon scorpioides (Linnaeus, 1766) from the Brazilian Amazon.
Chaves, E P; Aragão, N R C; Piorski, N M; Souza, C P A; Medeiros, A M; Chaves, L P F A; Tchaicka, L; Sousa, A L.
Affiliation
  • Chaves EP; Universidade Estadual do Maranhão - UEMA, Zootechnics Department, São Luís, MA, Brasil.
  • Aragão NRC; Veterinário autônomo, São Luís, MA, Brasil.
  • Piorski NM; Universidade Federal do Maranhão - UFMA, São Luís, MA, Brasil.
  • Souza CPA; Universidade Federal do Maranhão - UFMA, University Hospital, Genomic Studies and Histocompatibility Laboratory, São Luís, MA, Brasil.
  • Medeiros AM; Instituto Federal de Educação, Ciência e Tecnologia do Maranhão - IFMA, Department of Biological Sciences, Barreirinhas, MA, Brasil.
  • Chaves LPFA; Veterinário autônomo, São Luís, MA, Brasil.
  • Tchaicka L; Universidade Estadual do Maranhão - UEMA, Department of Chemistry and Biology, São Luís, MA, Brasil.
  • Sousa AL; Universidade Estadual do Maranhão - UEMA, Department of Clinics, São Luís, MA, Brasil.
Braz J Biol ; 82: e264358, 2022.
Article in En | MEDLINE | ID: mdl-36169528
The sexual dimorphism of the Kinosternon scorpioides was evaluated using two different techniques (linear and geometric morphometry) from images and linear measurements of the carapace and plastron of adults (male and female). Linear morphometry indicated that the height and width of carapace and plastron are statistically different between sexes, with females being wider and taller. In the evaluation of geometric morphometry, ANOVA demonstrated variation in the size of the plastron and the shape of the carapace and plastron, expressing a tendency in shape for each sex. Sexual dimorphism, therefore, is verified for this species, notably by the plastron. This study indicates an additional tool for the phenotypic knowledge of animals, contributing to the study of threatened populations.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Turtles / Sex Characteristics Limits: Animals Country/Region as subject: America do sul / Brasil Language: En Journal: Braz J Biol Journal subject: BIOLOGIA Year: 2022 Document type: Article Affiliation country: Brazil Country of publication: Brazil
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Turtles / Sex Characteristics Limits: Animals Country/Region as subject: America do sul / Brasil Language: En Journal: Braz J Biol Journal subject: BIOLOGIA Year: 2022 Document type: Article Affiliation country: Brazil Country of publication: Brazil