five metric and 10 meristic characters were studied in 30 specimens of eryx (daudin, 1803) in bahr al-najaf depression, al-najaf province – iraq. according to the results, and considering the principle of priority, we concluded that the populations of e. jaculus (linnaeus, 1758) in the study area should be classified into e. jaculus jaculus (linnaeus, 1758) and e. jaculus familiaris echwald, 18...

Ability to recognize a risk of predation and react with adaptive antipredatory behavior can enhance fitness, but has some costs as well. Animals can either specifically react on the most dangerous predators (threat-sensitive avoidance) or they have safe but costly general wariness avoiding all potential predators. The level of threat may depend on the predator's foraging ecology and distributio...

ilam province in southwest iran possesses varied climatic and geographical conditions leading to rich biodiversity. an investigating of the status of snakes in the province was carried out from june 2005 to march 2010. a total of 103 specimens were collected and identified. six families, 20 genera, and 26 species are represented, including boidae: eryx (eryx) jaculus turcicus; colubridae: colub...

Phylogenetic analysis of two species snake Eryx colubrinus loveridgei and Ptyas mucosus was investigated using the gene encoding cytochrome b. The nucleotide sequences complete partial mtDNA b were determined in numerous specimens. Sequence divergence between genera evenly distributed but rather high compared to reports for other fish species. analyses on used study relationships among consider...

Cytogenetic studies were carried out on four species of Indian snakes viz Eryx conicus (Family Boidae), Naja naja naja (Family Elapidae), Vipera russelli and Echis carinatus (Family Viperidae) collected from Jammu region (J&K). Both E. conicus and N. n. naja show deviation from typical ophidian karyotype (2n=36), having 2n=34 (16 macroand 18 microchromosomes, NF=42) in E. conicus and 2n=38 (16 ...

On the basis of structural and experimental data, it was previously demonstrated that the snake integument consists of a hard, robust, inflexible outer surface (Oberhäutchen and β-layer) and softer, flexible inner layers (α-layers). It is not clear whether this phenomenon is a general adaptation of snakes to limbless locomotion or only to specific conditions, such as habitat and locomotion. The...

Bu çalışma ile Adıyaman ili kurbağa ve sürüngen envanterinin belirlenmesi amaçlanmıştır. Adıyaman'da 19 familyaya ait toplam 49 tür (yedi kurbağa, dört kaplumbağa, bir kör kertenkele, 12 kertenkele 25 yılan türü) tespit edilmiştir. ile, Blanus alexandri (Sindaco et al, 2014), Mediodactylus orientalis (Stepánek, 1937), heterocercus (Blanford, 1874), Eryx jaculus (Linnaeus, 1758), Dolichophis jug...