Dendropsophus grandisonae
Mazaruni Treefrog
family: Hylidae
subfamily: Hylinae
Conservation Status (definitions)
IUCN (Red List) Status Data Deficient (DD)
Other International Status None
National Status None
Regional Status None

Country distribution from AmphibiaWeb's database: Guyana



View distribution map using BerkeleyMapper.

From the IUCN Red List Species Account:


Range Description

This species is known only from the non-specific type locality of "in the forest at Mazaruni, British Guiana" (Goin 1966). The exact locality is unknown, so no map has been drawn for this assessment. The elevational range is unknown.

Habitat and Ecology

This species presumably inhabits lowland forest and breeds by larval development in water.


There is nothing known about the population status of this species, which is known only from one specimen. Its population trend is unknown.

Population Trend


Major Threats

The major threats to this species are unknown. However, the type locality is within an undisturbed isolated region of forest.

Conservation Actions

Conservation Actions
It is not known whether this species occurs in any protected areas.

Research Needed
More taxonomic research is desirable as the type specimen might prove to be a juvenile of another species. Further research on its population status, life history and ecology is also required.

Red List Status

Data Deficient (DD)


Listed as Data Deficient in view of continuing uncertainties as to its extent of occurrence, population status and ecological requirements.

Taxonomic Notes

This species was previously within the genus Hyla but has recently been moved to the resurrected genus Dendropsophus (Faivovich et al. 2005).


IUCN SSC Amphibian Specialist Group 2018. Dendropsophus grandisonae. The IUCN Red List of Threatened Species 2018: e.T55493A120315670. .Downloaded on 22 February 2019


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