Resumo

Aspectos da biologia reprodutiva e alimentar de Elachistocleis ovalis e Ctenophryne geayi (Amphybia, Microhylidae)

Elachistocleis ovalis (Schneider, 1799) and Ctenopbryne geayi Mocquard, 1904 are two species of anuran amphibians in the family Microhylidae, whose normally fossorial life habits make it difficult to capture them outside the reproductive period, when adults concentrate in puddles formed with the ons...

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Autor principal: Silva, Gene Lúcia Ferreira da
Outros Autores: Galatti, Ulisses
Grau: Resumo
Idioma: por
Publicado em: Museu Paraense Emílio Goeldi 2023
Assuntos:
Elachistocleis ovalis
Ctenophryne geayi
Amphybia
Microhylidae
CNPQ::CIENCIAS BIOLOGICAS::ZOOLOGIA
Acesso em linha: https://repositorio.museu-goeldi.br/handle/mgoeldi/2155
id ir-mgoeldi-2155
recordtype dspace
spelling ir-mgoeldi-21552023-04-27T06:00:54Z Aspectos da biologia reprodutiva e alimentar de Elachistocleis ovalis e Ctenophryne geayi (Amphybia, Microhylidae) Aspects of the reproductive and feeding biology of Elachistocleis ovalis and Ctenophryne geayi (Amphybia, Microhylidae) Silva, Gene Lúcia Ferreira da Galatti, Ulisses Elachistocleis ovalis Ctenophryne geayi Amphybia Microhylidae CNPQ::CIENCIAS BIOLOGICAS::ZOOLOGIA Elachistocleis ovalis (Schneider, 1799) and Ctenopbryne geayi Mocquard, 1904 are two species of anuran amphibians in the family Microhylidae, whose normally fossorial life habits make it difficult to capture them outside the reproductive period, when adults concentrate in puddles formed with the onset of rainfall. This study aimed to examine the characteristics of the reproductive and feeding biology, especially the variation between individuals in gonad development, dietary patterns, and fat accumulation in the two species. The specimens studied were collected from November 2000 to March 2001 in the volta grande area of the Xingu River, municipalities of Vitoria do Xingu and Senador José Porfírio, Pará. We examined 102 specimens of E. ovalis and 96 of C. geayi from which the fat bodies, stomachs and gonads were isolated. As for reproduction, 65 females of E. ovalis were examined, with only one with mature eggs, 29 males and 8 juveniles; and 57 females of C. geayi, where 40 had mature eggs, 18 in the immature stage, 23 males and 16 juveniles. The presence of ova at different stages of development at the same time of year may indicate the occurrence of more than one laying during the reproductive period in the rainy season. The fat bodies of males and females were correlated to animal size, gonadal development and food consumption. As for diet composition, stomach contents analyses indicated that E. ovalis feeds primarily on ants and termites, which appeared in 70% and 85% of the individuals examined, respectively, while for C. geayi, the most consumed prey items were ants and coleopterans, which occurred in 100% and 45% of individuals, respectively. Elachistocleis ovalis (Schneider, 1799) e Ctenopbryne geayi Mocquard, 1904 são duas espécies de anfíbíos anuros da família Microhylidae, cujos hábitos de vida normalmente fossoriais tornam difícil a sua captura fora do período reprodutivo, quando os adultos se concentram em poças formadas com o início das chuvas. Este estudo teve como objetivo examinar as características da biologia reprodutiva e alimentar, especialmente da variação entre indivíduos no desenvolvimento das gônadas e os padrões da dieta e acumulo de gordura nas duas espécies. Os exemplares estudados foram coletados no período de novembro de 2000 a março de 2001 na área da volta grande no rio Xingu, municípios de Vitoria do Xingu e Senador José Porfírio, Pará. Foram examinados 102 exemplares de E. ovalis e 96 de C. geayi dos quais foram isolados os corpos de gordura, os estômagos e as gônadas. Quanto à reprodução foram examinadas 65 fêmeas de E. ovalis, estando apenas uma com óvulos no estágio maturo, 29 machos e 8 jovens; e 57 fêmeas de C.geayi, onde 40 estavam com óvulos maturos, 18 no estágio imaturo, 23 machos e 16 jovens. A presença de óvulos em diferentes estágios de desenvolvimento na mesma época do ano pode indicar a ocorrência de mais de uma postura durante o período reprodutivo, na estação chuvosa. Os corpos de gordura de machos e fêmeas foram correlacionados ao tamanho do animal, desenvolvimento gonadal e consumo de alimento. Quanto à composição da dieta, as análises de conteúdos estomacais indicaram que E. ovalis alimenta-se basicamente de formigas e cupins, que apareceram em 70% e 85% dos indivíduos examinados, respectivamente, enquanto para C. geayi, as presas mais consumidas foram formigas e coleópteros, que ocorreram em 100% e 45% dos indivíduos, respectivamente. 2023-04-26T16:48:20Z 2023-04-26 2023-04-26T16:48:20Z 2003-07-03 Resumo SILVA, Gene Lúcia Ferreira da; GALATTI, Ulisses. Aspectos da biologia reprodutiva e alimentar de Elachistocleis ovalis e Ctenophryne geayi (Amphybia, Microhylidae). In: SEMINÁRIO DE INICIAÇÃO CIENTIFICA DO MUSEU GOELDI, 11., 2003, Belém. Livro de Resumos. Belém, MPEG, 2003. https://repositorio.museu-goeldi.br/handle/mgoeldi/2155 por Aspectos da biologia reprodutiva e alimentar de Elachistocleis ovalis e Ctenophryne geayi (Amphybia, Microhylidae) Acesso Aberto application/pdf Museu Paraense Emílio Goeldi Brasil MPEG
institution Repositório Institucional - Museu Paraense Emílio Goeldi
collection RepositorioEmilioGoeldi
language por
topic Elachistocleis ovalis
Ctenophryne geayi
Amphybia
Microhylidae
CNPQ::CIENCIAS BIOLOGICAS::ZOOLOGIA
spellingShingle Elachistocleis ovalis
Ctenophryne geayi
Amphybia
Microhylidae
CNPQ::CIENCIAS BIOLOGICAS::ZOOLOGIA
Silva, Gene Lúcia Ferreira da
Aspectos da biologia reprodutiva e alimentar de Elachistocleis ovalis e Ctenophryne geayi (Amphybia, Microhylidae)
topic_facet Elachistocleis ovalis
Ctenophryne geayi
Amphybia
Microhylidae
CNPQ::CIENCIAS BIOLOGICAS::ZOOLOGIA
description Elachistocleis ovalis (Schneider, 1799) and Ctenopbryne geayi Mocquard, 1904 are two species of anuran amphibians in the family Microhylidae, whose normally fossorial life habits make it difficult to capture them outside the reproductive period, when adults concentrate in puddles formed with the onset of rainfall. This study aimed to examine the characteristics of the reproductive and feeding biology, especially the variation between individuals in gonad development, dietary patterns, and fat accumulation in the two species. The specimens studied were collected from November 2000 to March 2001 in the volta grande area of the Xingu River, municipalities of Vitoria do Xingu and Senador José Porfírio, Pará. We examined 102 specimens of E. ovalis and 96 of C. geayi from which the fat bodies, stomachs and gonads were isolated. As for reproduction, 65 females of E. ovalis were examined, with only one with mature eggs, 29 males and 8 juveniles; and 57 females of C. geayi, where 40 had mature eggs, 18 in the immature stage, 23 males and 16 juveniles. The presence of ova at different stages of development at the same time of year may indicate the occurrence of more than one laying during the reproductive period in the rainy season. The fat bodies of males and females were correlated to animal size, gonadal development and food consumption. As for diet composition, stomach contents analyses indicated that E. ovalis feeds primarily on ants and termites, which appeared in 70% and 85% of the individuals examined, respectively, while for C. geayi, the most consumed prey items were ants and coleopterans, which occurred in 100% and 45% of individuals, respectively.
format Resumo
author Silva, Gene Lúcia Ferreira da
author2 Galatti, Ulisses
author2Str Galatti, Ulisses
title Aspectos da biologia reprodutiva e alimentar de Elachistocleis ovalis e Ctenophryne geayi (Amphybia, Microhylidae)
title_short Aspectos da biologia reprodutiva e alimentar de Elachistocleis ovalis e Ctenophryne geayi (Amphybia, Microhylidae)
title_full Aspectos da biologia reprodutiva e alimentar de Elachistocleis ovalis e Ctenophryne geayi (Amphybia, Microhylidae)
title_fullStr Aspectos da biologia reprodutiva e alimentar de Elachistocleis ovalis e Ctenophryne geayi (Amphybia, Microhylidae)
title_full_unstemmed Aspectos da biologia reprodutiva e alimentar de Elachistocleis ovalis e Ctenophryne geayi (Amphybia, Microhylidae)
title_sort aspectos da biologia reprodutiva e alimentar de elachistocleis ovalis e ctenophryne geayi (amphybia, microhylidae)
publisher Museu Paraense Emílio Goeldi
publishDate 2023
url https://repositorio.museu-goeldi.br/handle/mgoeldi/2155
_version_ 1787135686162251776
score 11.755432

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