(Pristimantis nyctophylax)
Pristimantis nyctophylax (common names: Tandapi robber frog, watchful rainfrog) is a species of frog in the family Craugastoridae. It is endemic to Ecuador where it is known from the western flank of the Andes in the Cotopaxi and Pichincha Provinces. Its natural habitat is tropical cloud forests. It is threatened by habitat loss.