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1 December 2008 Reproductive Biology and Notes on Natural History of the Side-necked Turtle Acanthochelys radiolata (Mikan, 1820) in Captivity (Testudines: Chelidae)
Márcia A. Mocelin, Ronaldo Fernandes, Marcovan Porto, Daniel S. Fernandes
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Abstract

Sixteen adult specimens (six males and ten females) of Acantochelys radiolata from different regions of the state of Rio de Janeiro, Brazil, were monitored in captivity from 1996 to 2000 in order to obtain data on species reproductive biology including breeding season, egg laying, egg incubation, and hatchlings. Mating behaviour was observed between November and March and showed a regular pattern constituted by three conspicuous phases: approximation, persecution, and copulation. Sixteen clutches were found between March and July and twelve eggs were found in natural conditions. Hatches occurred between September and November. Hatchlings showed gular region, anterior and posterior members, tail, and edges of carapace and plastron with reddish blotches resting on a black background. This pattern was modified to an orange tonality in the third month of life.

Márcia A. Mocelin, Ronaldo Fernandes, Marcovan Porto, and Daniel S. Fernandes "Reproductive Biology and Notes on Natural History of the Side-necked Turtle Acanthochelys radiolata (Mikan, 1820) in Captivity (Testudines: Chelidae)," South American Journal of Herpetology 3(3), 223-228, (1 December 2008). https://doi.org/10.2994/1808-9798-3.3.223
Received: 13 May 2008; Accepted: 1 December 2008; Published: 1 December 2008
KEYWORDS
Acanthochelys radiolata
conservation
reproductive biology
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