Their adult size rarely exceeds 3 cm, with males being smaller than females, ranging from 18 to 21 mm, while females range from 22 to 25 mm. They have a jet black coloration with yellow and red spots on the ventral side. The head is wider than long. The toes of both the fore and hind limbs have serrated edges and poorly developed interdigital membranes. The natural populations of this species are highly affected by urbanization.

Author of this compilation: Julián Jocce