This species is known only from central coastal Guerrero, Mexico, in north-western Acapulco city.
Habitat and Ecology
The primary habitat is xeric and deciduous forest, and it has never been recorded out of the lowlands near Acapulco. It is a stream-breeding amphibian.
It is thought to be rare.
The main threat is habitat loss due to agricultural expansion, wood extraction, and the expansion of plantations.
Protection of the suburban and tropical dry areas around Acapulco represents the only chance for the survival of this species. It is protected by Mexican law under the "Special Protection" category (Pr).
Red List Status
Listed as Endangered, in view of its extent of occurrence of less than 5,000km2 and area of occupancy of less than 500km2, with all individuals within a very restricted area in Guerrero, Mexico, and continuing degradation of its forest habitat.
This species is currently under taxonomic review.
Georgina Santos-Barrera, Oscar Flores-Villela 2004. Incilius gemmifer. The IUCN Red List of Threatened Species 2004: e.T54650A11181587. http://dx.doi.org/10.2305/IUCN.UK.2004.RLTS.T54650A11181587.en .Downloaded on 19 January 2019