Open AccessMorphological variation in the striped water snake Helicops trivittatus (Gray, 1849) (Reptilia: Serpentes: Xenodontidae) of eastern Amazonia
Author(s) -
Douglas A. Rossman
Publication year - 2010
Publication title -
boletim do museu paraense emílio goeldi. ciências naturais
Language(s) - English
Resource type - Journals
eISSN - 2317-6237
pISSN - 1981-8114
DOI - 10.46357/bcnaturais.v5i3.630
Subject(s) - meristics , amazon rainforest , zoology , geography , biology , ecology
Helicops trivittatus, an aquatic snake endemic to eastern Amazonia, has an essentially invariant colour pattern, but it does exhibit sexual and/or individual variation in many meristic and mensural characters. This study is based on a series of 45 preserved specimens.