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HALLAZGO DE OOFAGIA CANIBALÍSTICA EN PELTOCEPHALUS DUMERILIANUS: (TESTUDINES: PODOCNEMIDIDAE) DISCOVERY OF CANNIBALISTIC OOPHAGY IN PELTOCEPHALUS DUMERILIANUS: (TESTUDINES: PODOCNEMIDIDAE)

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Author(s): Jaime De La Ossa V. | Richard C. Vogt | Alejandro De La Ossa Lacayo

Journal: Actualidades Biológicas
ISSN 0304-3584

Volume: 31;
Issue: 90;
Start page: 79;
Date: 2009;
Original page

Keywords: dieta | medio natural | oofagia | Peltocephalus dumerilianus | Brasil | diet | natural environment | oophagy | Peltocephalus dumerilianus | Brazil

ABSTRACT
Se presenta por primera vez el hallazgo de oofagia canibalística en Peltocephalus dumerilianus (Schweigger, 1812) (Testudines: Podocnemididae), detectada durante un estudio de dieta en medio natural para esta especie, en el cual se examinaron muestras de contenidos estomacales e intestinales provenientes de 36 animales adultos, capturados como caza de subsistencia por las comunidad ribereña de São Luís, municipio de Barcelos, Amazonas, Brasil. En el contenido del tracto intestinal de una hembra se localizaron membranas externas correspondientes a ocho huevos de su misma especie; se reafirma el carácter oportunista y generalista que P. dumerilianus (cabezudo) posee en su comportamiento de alimentación natural.It is presented for the first time the discovery of cannibalistic oophagy in Peltocephalus dumerilianus (Schweigger, 1812) (Testudines: Podocnemididae), detected during a diet study in natural environment for this species, in which samples of stomach and intestinal contents coming from 36 mature animals were examined, the animals were captured as subsistence hunt by the riverside community of São Luis, municipality of Barcelos, Amazons, Brazil. In the intestinal tract of one female external membranes corresponding to eight eggs of their same species were located; it is reaffirmed the opportunist and generalist character that P. dumerilianus (bighead Amazon river turtle) possesses in their natural feeding behavior.
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