Acultzingo Pigmy Salamander
CR

Acultzingo Pigmy Salamander

Thorius dubitus

Declining

Photo: Photo: (c) nestor vasquez, all rights reserved, uploaded by nestor vasquez

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Habitat

Thorius dubitus inhabits the understory of montane cloud forests in Mexico's Sierra Madre Oriental, specifically within the leaf litter, moss, and decaying wood of these perpetually moist ecosystems. The species requires the stable microclimate conditions found between 2,200-2,800 meters elevation, where persistent fog maintains the high humidity levels essential for cutaneous respiration.

Forest· majorForest - Subtropical/tropical moist montane· major

Conservation measures underway

Site/area protectionResource & habitat protectionSpecies recovery

Other threatened species in PLETHODONTIDAE

Honduran Lowland Worm SalamanderVU

Honduran Lowland Worm Salamander

Oedipina quadra

Declining
Kings River Slender SalamanderEN

Kings River Slender Salamander

Batrachoseps regius

Unknown
Conant's Mushroomtongue SalamanderVU

Conant's Mushroomtongue Salamander

Bolitoglossa conanti

Declining
VU

Pygmy Web-footed Salamander

Bolitoglossa pygmaea

Stable

Threatened in Mexico

EN

Turbinicarpus horripilus

Declining
CR

Turbinicarpus mandragora

Declining
EN

Opuntia pachyrrhiza

Declining
EN

Arachnothryx tacanensis

Declining

Frequently asked questions

Why is Acultzingo Pigmy Salamander classified as Critically Endangered?
Acultzingo Pigmy Salamander is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range, per the IUCN Red List assessment recorded in the SpeciesRadar database.
Where does Acultzingo Pigmy Salamander live?
Acultzingo Pigmy Salamander occurs in Mexico. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Acultzingo Pigmy Salamander?
The main threats to Acultzingo Pigmy Salamander are 1.1, 2.1, 2.3, and 5.1. The full IUCN-classified threat record for this species is detailed on the species page.

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