Most of Ambystoma species in Mexico are endemic having a limited distribution, and are threatened principally by anthropogenic factors. The presence of pathogens as Batrachochytrium dendrobatidis could be another threat to these species, especially in species with limited range. We surveyed populations of Ambystoma andersoni, A. flavipiperatum, and A. rivulare to test for the presence of B. dendrobatidis. We also examined specimens of Ambystoma dumerilii from captive populations. Using real-time PCR assays we found evidence of B. dendrobatidis in all Ambystoma species tested.
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