Habitat and Ecology
The delicate-skinned salamander is thought to feed on small invertebrates that it hunts for under rotting wood. (1)
- 1. “Delicate-skinned Salamander (Ambystoma bombypellum).” EDGE: Evoluntionarily Distinct & Globally Endangered. Retrieved on 1/7/11. http://www.edgeofexistence.org/amphibians/species_info.php?id=555.
Life History and Behavior
Reproduction occurs in ponds, small lakes, and slow-moving streams. It is assumed that the delicate-skinned salamander breeds during the onset of summer rains, though this information is not certain. (1) Once the eggs have been laid, they are left alone to develop, with no further involvement from either parent. (2)
- 1. “Ambystoma bombypellum.” Mexico Herpetology. January 27th, 2006. Retrieved on 1/16/11. http://www.mexico-herps.com/caudata/ambystoma/ambystoma-bombypellum.
- 2.“Delicate-skinned Salamander (Ambystoma bombypellum).” EDGE: Evoluntionarily Distinct & Globally Endangered. Retrieved on 1/7/11. http://www.edgeofexistence.org/amphibians/species_info.php?id=555.
IUCN Red List Assessment
Red List Category
Red List Criteria
The delicate-skinned salamander is threatened by the dangers that agriculture poses to its habitat, such as commercial wheat farming. Human impact further threatens the population by desiccating and polluting the lakes and water reservoirs in which the salamanders breed. A serious threat also comes from predatory fish. “However, survival of this species appears to be compatible with cattle grazing, particularly if stock ponds are available for breeding.” (1)
- 1. “Ambystoma bombypellum.” The IUCN Red List of Threatened Species. Retrieved on 1/5/11. http://www.iucnredlist.org/apps/redlist/details/59054/0
The Delicate-Skinned Salamander was first described by herpetologist Edward Harrison Taylor from a holotype found in 1939 near Rancho Guadalupe, 14 km. east of San Martín in the north-western Asunción province in Mexico. It is until today the only habitat for this species. Introduced predatory fish and habitat destruction due to agriculture lead to a desiccation of the breeding ponds and to a severely decline of the population. It is a small terrestrial species of about 14.2 cm, with a brown dorsal coloration and a lighter underbelly. The head is flattened. Fingers and toes are unwebbed.
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