This species occurs in the open grasslands of the Serra Geral, Santa Catarina and Rio Grande do Sul states, Brazil, at 900-1,730m asl.
Habitat and Ecology
It occurs in open grasslands and streams and reproduces in fast-flowing streams in open areas or along forest edges. Males have been observed perched on vegetation along the edge of pools, waterfalls and torrents.
It is abundant and the population is stable.
Water pollution is a potential threat to this species.
It occurs in several protected areas.
This species was previously within the genus Hyla but has recently been moved to the resurrected genus Hypsiboas (Faivovich, et al., 2005). It was removed from the synonymy of Hypsiboas pulchellus by Garcia et al. (2003). More than one species could be covered by this name.
Paulo Garcia 2004. Hypsiboas joaquini. In: IUCN 2014