This species is known from Serra do Mar and Serra da Mantiqueira in southeastern and southern Brazil. It occurs around 800-1,200m asl.
Habitat and Ecology
This species occurs on vegetation near forest streams in primary and secondary forest. It is not known from disturbed habitats. It breeds in permanent forest streams.
It is a common species, but hard to catch.
Habitat destruction and degradation due to deforestation and large-scale farming is a localized threat to this species.
The range of this species includes several protected areas. More research into the species' Extent of Occurrence is needed.
This species was previously within the genus Hyla but has recently been moved to the genus Aplastodiscus (Faivovich, et al., 2005).
Carlos Alberto Gonçalves da Cruz, Ana Maria Telles, Sergio Potsch de Carvalho-e-Silva 2004. Aplastodiscus albosignatus. In: IUCN 2014