EN

Oocephalus piranii

Declining

Overview

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

Oocephalus piranii faces severe pressure from deforestation and agricultural expansion throughout its limited range in the Atlantic Forest of Brazil. The species' specialized habitat requirements make it particularly vulnerable to forest fragmentation, as small isolated populations struggle to maintain genetic diversity. Mining activities and urban development have further reduced available habitat, while climate change threatens to shift suitable temperature and humidity conditions beyond the species' adaptive capacity.

Threat summary

Habitat

This species inhabits humid Atlantic Forest remnants in southeastern Brazil, typically found in primary and mature secondary forests with dense canopy cover. It shows preference for areas with high humidity and stable microclimatic conditions, often associated with stream valleys and protected forest fragments.

Savanna· major

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Frequently asked questions

Why is Oocephalus piranii classified as Endangered?
Oocephalus piranii is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Oocephalus piranii faces severe pressure from deforestation and agricultural expansion throughout its limited range in the Atlantic Forest of Brazil. The species' specialized habitat requirements make it particularly vulnerable to forest fragmentation, as small isolated populations struggle to maintain genetic diversity. Mining activities and urban development have further reduced available habitat, while climate change threatens to shift suitable temperature and humidity conditions beyond the species' adaptive capacity.
Where does Oocephalus piranii live?
Oocephalus piranii occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Oocephalus piranii?
The main threats to Oocephalus piranii are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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