Vol. 5 No. 1 (2010)
Articles

Chromatic variation in populations of <i>Xenodon merremi</i> (Serpentes: Dipsadidae) in Paraguay

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  • Pier Cacciali
Pier Cacciali
Departamento de Paleontología, Facultad de Ciencias, Universidad de la República. Iguá 4225 CP 11400, Montevideo, Uruguay. Instituto de Investigación Biológica del Paraguay, del Escudo 2044, Asunción, Paraguay
DOI: https://doi.org/10.13128/Acta_Herpetol-8539

Published 2010-07-01

How to Cite

Cacciali, P. (2010). Chromatic variation in populations of <i>Xenodon merremi</i> (Serpentes: Dipsadidae) in Paraguay. Acta Herpetologica, 5(1), 107–112. https://doi.org/10.13128/Acta_Herpetol-8539
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Abstract

Xenodon merremi is a polychromatic species distributed in South America. Among its wide range of color patterns, the most common pattern resembles a pitviper of the genus Bothrops. In this work is recorded the different patterns found in Paraguayan populations of X. merremi. Four patterns can be observed: marked pattern, slightly marked pattern, smooth, and banded pattern. The marked pattern is the most common pattern (mimetic with pitvipers), and all juveniles bear this coloration. Only adults show variation in their coloration.
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