Spider-tailed horned viper
species of reptile
A spider-tailed horned viper (Pseudocerastes urarachnoides) is a species of viper. It is found in western Iran. It was discovered in 2006. Its head is like other species of Pseudocerastes, but its tail is not. The spider-tailed horned viper has a spider shaped tail which it uses it to attract its prey.