''Cycloramphus faustoi'' is a species of frog in the family

Cycloramphidae The Cycloramphidae are a family of frogs endemic to southeastern Brazil. This family has seen large changes in its composition. Genera that have at some point been included in the Cycloramphidae are at present placed in the Alsodidae, Hylodidae ...

. It is endemic to Ilha dos Alcatrazes, a island about 35 km off the coast of São Paulo state, Brazil.

Description

Adult males measure and adult females in snout–vent length. The body is robust. The head is wider than it is long. The snout is truncate and the eyes are protruding. The tympanum is not visible externally (but becomes visible if skin is removed); the supra-tympanic fold is distinct. The fingers and the toes have no webbing nor lateral fringes. The dorsum is dark brown and has a few yellowish or white spots. A narrow light yellow inter-orbital bar is present. The limbs have few white to light yellow bars. The throat is white and has a few brown spots. The belly is immaculate whitish, but some individuals have a few brown spots.

Habitat and conservation

''Cycloramphus faustoi'' are known from a small valley in a dry stream bed at elevations of

above sea level Height above mean sea level is a measure of the vertical distance (height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as ''orthometric heights''. The comb ...

. The stream is bordered by

Atlantic forest The Atlantic Forest ( pt, Mata Atlântica) is a South American forest that extends along the Atlantic coast of Brazil from Rio Grande do Norte state in the northeast to Rio Grande do Sul state in the south and inland as far as Paraguay and th ...

. During the rainy season, the water trickles through this valley. Both males and females were spotted in rock crevices; they were wary and went into hiding when disturbed. Reproduction seems to occur in August when, following a rainy afternoon, males were heard calling at night and a females found guarding an egg clutch consisting of 31 eggs; the female did not leave even when disturbed. This species appears to be scarce within its small range. Moreover, its habitat is threatened by fires caused by artillery training activities. Hence, it is listed as " critically endangered" by the International Union for Conservation of Nature (IUCN).

References

{{Taxonbar, from=Q3008577 faustoi Endemic fauna of Brazil Amphibians of Brazil Amphibians described in 2007