The front and back of the thighs as well as parts of the shin and hind toes are some shade of red or orange-red.

The call consists of from three to thirteen low notes, each lasting for 0.08 seconds and changing frequency in the middle, and sounding like "raa-raa-raa".

The tadpoles develop in streams and cling onto rocks and stones with their mouthparts to avoid being swept away.

The chief threats it faces are from degradation of its cloud forest habitat by human actions.

Some of the tadpoles were found to have keratinised mouthparts, which is likely to indicate infection with the chytridiomycosis fungus, and this may also be a threat for this uncommon species.