Synophis insulomontanusSynophis insulomontanus, known commonly as the mountain shadow snake, is a species of snake in the family Colubridae. The species is endemic to northwestern South America.Geographic rangeS. insulomontanus is found in Huánuco Region, Peru.HabitatThe preferred habitat of S. insulomontanus is forests on the Amazonian slopes of the Andes in northern and central Peru at elevations of approximately.BehaviorA nocturnal, terrestrial, and semiarboreal species, S. insulomontanus has been found foraging on the forest floor in leaf litter, and coiled in bromeliads above the ground.DietThe diet of S. insulomontanus is unknown. Despite the allusion to fishing in one of its common names, there is no evidence that the species eats fish.