CR

Arraia nelmae

Unknown

Overview

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

Arraia nelmae faces severe threats from deforestation and habitat fragmentation in its restricted range within the Atlantic Forest of Brazil. Mining activities and agricultural expansion have significantly reduced the quality of remaining forest patches. The species' limited dispersal ability makes it particularly vulnerable to habitat isolation, preventing genetic exchange between fragmented populations.

Threat summary

Habitat

This species is endemic to the Atlantic Forest (Mata Atlântica) of southeastern Brazil, inhabiting humid montane forests with dense canopy cover. It requires undisturbed forest environments with specific microhabitat conditions including leaf litter and fallen logs.

Frequently asked questions

Why is Arraia nelmae classified as Critically Endangered?
Arraia nelmae 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. Arraia nelmae faces severe threats from deforestation and habitat fragmentation in its restricted range within the Atlantic Forest of Brazil. Mining activities and agricultural expansion have significantly reduced the quality of remaining forest patches. The species' limited dispersal ability makes it particularly vulnerable to habitat isolation, preventing genetic exchange between fragmented populations.
Where does Arraia nelmae live?
Arraia nelmae 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 Arraia nelmae?
The main threats to Arraia nelmae 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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