This species occurs in northern Rio Grande do Sul and southern Santa Catarina states, southern Brazil, at 500-1,000m asl.
Habitat and Ecology
It is found on forested mountain slopes, inhabiting streams with clear running water. The clutch is fixed to vegetation hanging into the water.
It is common and the population is stable.
Water pollution and habitat loss due to deforestation and cattle ranching are threats to this species.
It occurs in several parks and protected areas.
This species was previously within the genus Hyla but has recently been moved to the resurrected genus Hypsiboas (Faivovich, et al., 2005).
Débora Silvano 2004. Hypsiboas marginatus. In: IUCN 2014