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Diet of the lizard Ecpleopus gaudichaudii (Gymnophthalmidae) in Atlantic Rainforest, state of Rio de Janeiro, Brazil
Maia, Thiago; Almeida-Gomes, Mauricio; C. Siqueira, Carla; Vrcibradic, Davor; C. Kiefer, Mara; Frederico D. Rocha, Carlos.
Afiliação
  • Maia, Thiago; Universidade do Estado do Rio de Janeiro Departamento de Ecologia.
  • Almeida-Gomes, Mauricio; Universidade do Estado do Rio de Janeiro Departamento de Ecologia.
  • C. Siqueira, Carla; Universidade Federal do Rio de Janeiro Instituto de Biologia.
  • Vrcibradic, Davor; Universidade Federal do Estado do Rio de Janeiro Departamento de Zoologia.
  • C. Kiefer, Mara; Universidade Federal Fluminense Instituto de Biologia Departamento de Biologia Geral.
  • Frederico D. Rocha, Carlos; Universidade do Estado do Rio de Janeiro Departamento de Ecologia.
Article em En | VETINDEX | ID: vti-690310
Biblioteca responsável: BR68.1
ABSTRACT
In this study we analyzed the diet of the gymnophthalmid lizard Ecpleopus gaudichaudii Duméril & Bibron, 1839, a typical inhabitant of the forest-floor leaf litter, in an Atlantic Forest area in the state of Rio de Janeiro, southeastern Brazil. The 26 individuals sampled during the study had a mean snout-vent length (SVL) of 36.2 ± 4.2 mm and a mean jaw width (JW) of 4.1 ± 0.5 mm. We did not find differences in SVL between males and females, though the sexes differed in JW when the effect of body size was factored out, with females presenting higher values. The diet of the lizards was composed exclusively of arthropods, especially isopods and orthopterans. The similarity in trophic niches among seasons (volumetric and numerical proportions of prey categories consumed) were 0.096 and to 0.43, respectively. There were also no detectable seasonal differences in mean number and mean volume of prey ingested, as well as no significant influence of lizard SVL on prey number and of lizard JW on mean prey volume, which may reflect the tendency of E. gaudichaudii to feed on few, relatively large prey.
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Texto completo: 1 Base de dados: VETINDEX País/Região como assunto: America do sul / Brasil Idioma: En Revista: Zoologia (Curitiba) Ano de publicação: 2011 Tipo de documento: Article
Texto completo: 1 Base de dados: VETINDEX País/Região como assunto: America do sul / Brasil Idioma: En Revista: Zoologia (Curitiba) Ano de publicação: 2011 Tipo de documento: Article