''Stefania roraimae'' (common names: Roraima treefrog, Roraima stefania) is a species of

frog A frog is any member of a diverse and largely semiaquatic group of short-bodied, tailless amphibian vertebrates composing the order (biology), order Anura (coming from the Ancient Greek , literally 'without tail'). Frog species with rough ski ...

in the family Hemiphractidae. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Guyana Guyana, officially the Co-operative Republic of Guyana, is a country on the northern coast of South America, part of the historic British West Indies. entry "Guyana" Georgetown, Guyana, Georgetown is the capital of Guyana and is also the co ...

. Its type locality is

Mount Roraima Mount Roraima (; ) is the highest of the Pacaraima chain of tepuis (table-top mountain) or plateaux in South America. It is located at the junction of Brazil, Guyana and Venezuela. A characteristic large flat-topped mountain surrounded by cliff ...

; it is also known from

Mount Ayanganna Mount Ayanganna is a sandstone tepui in the Pakaraima Mountains of western Guyana, and located east of Mount Roraima. With a height of it is the easternmost tepui taller than . It is part of the Guiana Shield and Guyana Highlands. Ecology Th ...

and

Mount Wokomung Mount Wokomung is a sandstone tepui in the Pakaraima Mountains of western Guyana, the summit is 1700 metres. Together with Mount Ayanganna, 37 km to the north, Wokomung constitutes the easternmost tepui reaching above 1500 metres. The slop ...

. It presumably occurs in the adjacent Venezuela and Brazil too.

Description

Male ''Stefania roraimae'' grow to snout–vent length of and females to . The smallest recorded independent juveniles are in snout–vent length. Reproduction is not known for this species, but presumably the females carry eggs on their backs, with the juveniles developing fully there, as known for many other species of ''

Stefania ''Stefania'' is a genus of frogs in the family Hemiphractidae. They are native to the highlands of the Guiana Shield in southern Venezuela, Guyana, and adjacent far northern Brazil. Most are restricted to the tepui highlands, but '' S. evansi'' ...

''.

Habitat and conservation

''Stefania roraimae'' are found in primary forests at altitudes of . There are no known threats to this species in its relatively remote habitats.

References

{{Taxonbar, from=Q647168 roraimae Endemic fauna of Guyana Amphibians of Guyana Amphibians described in 1984 Taxa named by William Edward Duellman Taxonomy articles created by Polbot Taxa named by Marinus Steven Hoogmoed Amphibians of the Tepuis