Engystomops montubio is a species of frog in the family Leptodactylidae. It is endemic to western Ecuador. It inhabits lowland evergreen and semi-deciduous forest and lowland dry shrub. It also inhabits open man-made habitats, such as pastures, near buildings, etc. Breeding takes place in pools during the rainy season. References montubio Amphibians of Ecuador Endemic fauna of Ecuador Taxonomy articles created by Polbot Amphibians described in 2004