Cranial sexual discrimination in hatchling broad-snouted caiman (Caiman latirostris)

Carlos Piña; Alejandro Larriera; Pablo Siroski; Luciano M. Verdade

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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Cranial sexual discrimination in hatchling broad-snouted caiman (Caiman latirostris)

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Author(s):	Carlos Piña ; Alejandro Larriera ; Pablo Siroski ^[3] ; Luciano M. Verdade ^[4] Total Authors: 4
Document type:	Journal article
Source:	IHERINGIA SERIE ZOOLOGIA; v. 97, n. 1, p. 17-20, 2007-03-00.
Abstract
Broad-snouted caiman (Caiman latirostris) hatchlings present a consistent sexual dimorphism in their cranium shape and size. Male hatchlings have smaller crania than females. Using multivariate statistical analyses it is possible to discriminate sex in broad-snouted caiman hatchlings by their cranial shape with a reasonable efficiency. The understanding of sexual dimorphism of crocodilian hatchlings might be possibly improved by experimental approach considering, genetic and phenotypic variables such as incubation temperature and clutch of origin. (AU)

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