CR

Mixe Treefrog

Megastomatohyla mixe

Unknown

Overview

The Mixe tree frog is a species of frog in the family Hylidae endemic to Mexico. Its natural habitats are subtropical or tropical moist montane forests and rivers. It is threatened by habitat loss.

Megastomatohyla mixe faces severe threats from rapid deforestation and agricultural expansion in the cloud forests of Oaxaca, Mexico. The species' extremely limited range makes it particularly vulnerable to habitat fragmentation, while climate change threatens to shift the specific temperature and humidity conditions required by this cloud forest specialist. Chytrid fungal disease, which has devastated amphibian populations throughout Mesoamerica, poses an additional existential threat to remaining populations.

Threat summary

Habitat

This species inhabits pristine cloud forests and pine-oak forests at elevations between 1,800-2,400 meters in the Sierra Madre de Oaxaca. It requires the specific microclimate conditions of montane cloud forests, including persistent fog, high humidity, and stable temperatures that support bromeliad communities essential for its reproductive cycle.

Forest· majorForest - Subtropical/tropical moist montane· majorRocky areas· major

Conservation measures underway

Site/area protectionResource & habitat protectionSpecies managementSpecies recovery

Other threatened species in HYLIDAE

VU

Maracas Heart-tongued Frog

Phyllodytes tuberculosus

Declining
VU

Papallacta Treefrog

Hyloscirtus psarolaimus

Declining
VU

Scinax rupestris

Unknown
CR

Nyctimantis pomba

Declining

Threatened in Mexico

EN

Turbinicarpus horripilus

Declining
CR

Turbinicarpus mandragora

Declining
EN

Opuntia pachyrrhiza

Declining
EN

Arachnothryx tacanensis

Declining

Frequently asked questions

Why is Mixe Treefrog classified as Critically Endangered?
Mixe Treefrog 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. Megastomatohyla mixe faces severe threats from rapid deforestation and agricultural expansion in the cloud forests of Oaxaca, Mexico. The species' extremely limited range makes it particularly vulnerable to habitat fragmentation, while climate change threatens to shift the specific temperature and humidity conditions required by this cloud forest specialist. Chytrid fungal disease, which has devastated amphibian populations throughout Mesoamerica, poses an additional existential threat to remaining populations.
Where does Mixe Treefrog live?
Mixe Treefrog 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 Mixe Treefrog?
The main threats to Mixe Treefrog are 5.3, ai-1, ai-2, and ai-3. The full IUCN-classified threat record for this species is detailed on the species page.

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