Crossodactylus cyclospinus
family: Hylodidae
Species Description: Nascimento LB, Cruz CAG, Feio RN 2005 A new species of diurnal frog in the genus Crossodactylus Dumeril and Bibron, 1841 (Anura, Leptodactylidae) from southeastern Brazil. Amphibia-Reptilia 26:497-505.
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: Brazil


View distribution map using BerkeleyMapper.


From the IUCN Red List Species Account:


Range Description

Crossodactylus cyclospinus is only known from the type locality at Fazenda Duas Barras (15 53' S, 40 28' W, ca 800 masl), Municipality of Santa Maria do Salto, state of Minas Gerais, southeastern Brazil. The locality is in the mountain range called Serra do Cariri, which separates the states of Minas Gerais and Bahia, and the Basins of Jequitinhonha and Buranhém rivers (Nascimento et al., 2005).

Habitat and Ecology

Adults, juveniles, and tadpoles of Crossodactylus cyclospinus are diurnal and active during the wet season, in the months of October and January. The new species can be found in shallow rivulets in forested areas in Atlantic Rain Forest. Males vocalize from rocks or under plants in the midst of these rivulets. The frogs are vigilant, males tend to vocalize when they perceive the presence of an observer. When threatened, individuals hide in the leaf litter or dive into water (Nascimento et al., 2005). The vocal repertoire of the species is described in Nascimento et al. (2005).


No population status information is currently available for this species.

Population Trend


Major Threats

No major threats are known for this species.

Conservation Actions

No conservation measures are currently known for this species.

Red List Status

Data Deficient (DD)


Listed as Data Deficient since it has only recently been described, and there is still very little information on its extent of occurrence, status and ecological requirements.

Taxonomic Notes

In the Crossodactylus gaudichaudii group according to the original publication. Crossodactylus cyclospinus is differentiated from other similar species by a combination of morphological and advertisement call features (Nascimento et al. 2005).


Ariadne Angulo 2008. Crossodactylus cyclospinus. The IUCN Red List of Threatened Species 2008: e.T136178A4255660. .Downloaded on 15 November 2018


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