sentences:  Egg-laying has not been observed in this and other species in the genus, and it is thought that the females may deposit their eggs on the foliage above the water of swift-flowing mountain streams, the tadpoles then falling into the stream when they hatch.The tadpoles have dangling oral discs by which they can attach themselves to the substrate.The total area of occupancy of the Chamula mountain brook frog is less than and it is only known from five locations.