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Morphometric characteristics and seasonal proximity to water of the Cypriot bluntnosed viper Macrovipera lebetina lebetina (Linnaeus, 1758)

Jestrzemski, Daniel; Kuzyakova, Irina.
J. Venom. Anim. Toxins incl. Trop. Dis.; 24: 42, Jan. 24, 2019. ilus, mapas, tab, graf
Artigo em Inglês | VETINDEX | ID: vti-18969

Resumo

Background:The blunt-nosed viperMacrovipera lebetina(Linnaeus, 1758) is a medically important snake species inthe Middle East. Its nominate subspeciesMacrovipera l. lebetinais confined to Cyprus, where it is the only dangerouslyvenomous snake species and heavily pursued. Despite the vipers large size, data on its body mass and sex-specificmorphological differences are scarce. It is commonly believed thatM. l. lebetinaprefers freshwater proximity duringsummer. Hence, we aimed at investigatingM. l. lebetinasex-specific morphological differences and its possibleattraction to freshwater bodies in late summer.Methods:Morphometric characteristics, proximity to water and conservation status ofM. l. lebetinawere investigatedin Paphos district (Cyprus) in 2014, 2015 and 2017. Vipers were caught in different habitats, examined morphologicallyfor metric and meristic characters, and released back into their habitat. Additionally, local people were interviewedabout the conservation situation of the species.Results:Of 38 recorded blunt-nosed vipers, morphological characteristics were collected from 34 (10 adult males, 16adult females, eight unsexed juveniles). Rounded total length (ToL) ranged from 23.5 cm to 133.0 cm and weightbetween 10 g and 1456 g. Adult males significantly exceeded adult females in tail length (TaL), ToL and head length(HL). No significant sex-specific differences were found in snout-vent length (SVL), head width (HW), weight or bodycondition index (BCI), nor for the ratios TaL / SVL, TaL / ToL, HL / SVL or HL / HW. Adult females from late summer(2015) had a significantly lower mean BCI than those from spring (2014).Distances of blunt-nosed vipers to the nearest water bodies (natural and artificial...(AU)
Biblioteca responsável: BR68.1