CR

Plectrohyla pycnochila

Unknown

Overview

Plectrohyla pycnochila – also known as the thicklip spikethumb frog or thick-lipped spikethumb frog – is a frog in the Hylidae family. It is endemic to Mexico and occurs in the Chiapas Highlands of central Chiapas state. Its natural habitats are pine–oak forests. It is threatened by habitat loss caused by logging and transformation of the forest to agricultural land. Chytridiomycosis might also be a threat.

Plectrohyla pycnochila faces severe population decline primarily due to habitat destruction from agricultural expansion and logging activities in its montane forest range. The species is particularly vulnerable to chytrid fungal infections, which have devastated amphibian populations throughout Central America. Climate change poses an additional threat by altering the temperature and humidity conditions essential for this moisture-dependent species' survival.

Threat summary

Habitat

This species inhabits montane cloud forests and pine-oak forests at elevations between 1,500-2,500 meters in the mountains of Guatemala and southern Mexico. It requires areas with high humidity and consistent moisture levels, typically found near streams and in dense forest canopy.

Conservation measures underway

Habitat & natural process restorationSpecies recovery

Frequently asked questions

Why is Plectrohyla pycnochila classified as Critically Endangered?
Plectrohyla pycnochila 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. Plectrohyla pycnochila faces severe population decline primarily due to habitat destruction from agricultural expansion and logging activities in its montane forest range. The species is particularly vulnerable to chytrid fungal infections, which have devastated amphibian populations throughout Central America. Climate change poses an additional threat by altering the temperature and humidity conditions essential for this moisture-dependent species' survival.
Where does Plectrohyla pycnochila live?
Plectrohyla pycnochila 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 Plectrohyla pycnochila?
The main threats to Plectrohyla pycnochila are 1.1, 2.1, 5.3, and 8.1. The full IUCN-classified threat record for this species is detailed on the species page.

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