Epictia tenella, also known as the Guyana blind snake, is a species of blind snake found on Trinidad in the Caribbean, and in South America, where it ranges from Guyana south to Brazil and northwestern Peru. It can reach a length of 170 mm (6-11/16 in) snout-to-vent. It has a medium brown dorsal surface, with a paler ventral surface and a yellow tail. Its head is dark except for a white to yellow spot covering the upper half of its rostral scale.