[1] The specific name comes from the Latin adjective pertaining to small brooks or streams and refers to the habitat of this species.

[2] Based on molecular evidence, it was transferred from Austrochaperina to Copiula in 2016.

Ventral coloration is gray-brown with faint darker mottling that is most evident on the chin.

The fingers and toes are unwebbed and have well-developed terminal discs.

[2] Its natural habitats are tropical forests where it occurs along small streams;[1] they might hide under the leaf litter but are good swimmers.