Arcovomer
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Arcovomer is a genus of frogs in the family Microhylidae.[1] It is monotypic, being represented by the single species Arcovomer passarellii, commonly known as Passarelli's frog.[2] It is endemic to south-eastern Brazil and found in Espírito Santo, Rio de Janeiro, and São Paulo states. Frogs from Espírito Santo may represent another, undescribed species.[1] The name honours Antonio Passarelli who collected the holotype.[3]
Description and behaviour
Arcovomer passarellii is a small, slender-bodied frog. The male is about Script error: No such module "convert". in snout–vent length, and the female Script error: No such module "convert"..[3] Its body is brown above with a distinct irregular dark pattern running the whole length of the animal.[3][4][5]
Male frogs call after sunset. The advertisement call is a sharp, short whistle. When disturbed, these frogs may jump and then assume a stiff-leg posture, possibly as a means to avoid detection by predators relying on their sight.[4]
Habitat and conservation
This species inhabits lowland primary and secondary forests. It is a ground-dwelling frog that breeds in temporary pools. Although it is a common species, it is declining in abundance, probably because of habitat loss.[6]
References
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