Nymphargus siren
Nymphargus siren is a species of frog in the family Centrolenidae, formerly placed in Cochranella.
It is found in Colombia, Ecuador, and Peru.
Its natural habitats are pre-montane forests near streams. It is threatened by habitat loss.
Adult males of Nymphargus siren measure in snout–vent length. Snout is truncate and dorsal skin is shagreen with spinules.