(Vipera kaznakovi)
V.kaznakovi is a stoutly built species,of which the males are usually shorter and more slender than the females.Adults may reach a maximum total length (body + tail) of 65 to 70 cm (26 to 28 in),but are usually less.Orlov and Tuniyev examined 39 specimens.Of the 23 males examined,the largest measured 47.5 cm (18.7 in) total length;while of the 16 females,the largest was 60 cm (24 in) total length.