Tony Phelps / Oman saw-scaled / carpet Viper (Echis omanensis) in habitat, Al Wadi Bih, Musundam Plateau, Oman. April 2008

Daniel Heuclin / Ocellated carpet viper (Echis ocellatus) captive, from Mauritania to Cameroon.

Daniel Heuclin / Ocellated carpet viper (Echis ocellatus) captive, from Mauritania to Cameroon.

Daniel Heuclin / Ocellated carpet viper (Echis ocellatus) captive, from Mauritania to Cameroon.

Daniel Heuclin / Ocellated carpet viper (Echis ocellatus) captive, from Mauritania to Cameroon.

MYN / Javier Aznar / Saw scaled viper (Echis khosatzkii) coiled up, Oman. Meetyourneighbours.net project

Gertrud & Helmut Denzau / Saw Scaled Viper (Echis carinatus) camouflaged on ground, Touran Protected Area, now part of Khar Turan National Park, Semnan Province, Iran

Hanne & Jens Eriksen / Saw scaled viper (Echis carinatus) with tongue out, captive, Oman, February

Hanne & Jens Eriksen / Sind saw scaled viper (Echis carinatus sochureki) captive, head pattern, Oman, February

Hanne & Jens Eriksen / Sind saw scaled viper (Echis carinatus sochureki) curled up, captive, Oman, February

Hanne & Jens Eriksen / Sind saw scaled viper (Echis carinatus sochureki) captive, Oman, February

Hanne & Jens Eriksen / Sind saw scaled viper (Echis carinatus sochureki) captive, Oman, February