Synophis calamitusSynophis calamitus, the calamitous shadow snake, is a species of snake in the family Colubridae. The species is endemic to northwestern South America.Geographic rangeS. calamitus is found in Pichincha Province, Ecuador.DescriptionThe holotype of Synophis calamitus, a juvenile female, measures 223 mm in total length, which includes a tail of 74 mm. The back and sides of this specimen are iridescent black. The belly is cream, and the undersurface of the tail is dark gray.HabitatThe preferred habitat of S. calamitus is cloud forests north of the Río Toachi at altitudes of.DietThe diet of S. calamitus is unknown.ReproductionS. calamitus is oviparous.