[2][3] The adult male frog measures 29 to 43.4 mm (1.14 to 1.71 in) in snout-vent length, and the adult female frog 41.3 to 47 mm (1.63 to 1.85 in).

This frog has two sets of five vomerine teeth.

[3] This frog is dark coffee-brown in color with darker patches and a white stripe on its lip.

Its bones are green and the iris of its eye is gold.

[3] The frog's name comes from "Curupi", also called "Curipira" or "Kurupira", a creature from folklore that protects the forest and the living things in it.