CRCritically Endangered
Thorius arboreus
Declining
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Habitat
This species inhabits the canopy layer of pristine cloud forests in Mexico's mountains, specifically requiring moss-covered branches and dense epiphytic vegetation that maintain constant moisture levels. The specialized arboreal microhabitat exists only within a narrow elevational band where persistent cloud cover creates the humid conditions essential for this lungless salamander's survival.
Forest· majorForest - Subtropical/tropical moist montane· major
Conservation measures underway
Site/area protectionSpecies recovery
Other threatened species in PLETHODONTIDAE
Threatened in Mexico
Frequently asked questions
Why is Thorius arboreus classified as Critically Endangered?
Thorius arboreus 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 Thorius arboreus live?
Thorius arboreus 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 Thorius arboreus?
The main threats to Thorius arboreus are 2.1, 2.3, 5.1, and 5.1.1. The full IUCN-classified threat record for this species is detailed on the species page.
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