CR

Zilchogyra paulistana

Unknown

Overview

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

Zilchogyra paulistana faces severe threats from urban expansion and industrial development within its extremely limited range in São Paulo state, Brazil. The species' habitat has been dramatically reduced by concrete infrastructure and pollution from Brazil's largest metropolitan area. Agricultural conversion and water pollution from industrial runoff further degrade the remaining suitable environments for this critically endangered gastropod.

Threat summary

Habitat

This critically endangered gastropod is endemic to specific freshwater habitats in São Paulo state, Brazil, likely inhabiting streams, springs, or wetland areas within the Atlantic Forest region. The species appears to require very particular water chemistry and substrate conditions that have become increasingly rare due to urbanization.

TERRESTRIAL· major

Frequently asked questions

Why is Zilchogyra paulistana classified as Critically Endangered?
Zilchogyra paulistana 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. Zilchogyra paulistana faces severe threats from urban expansion and industrial development within its extremely limited range in São Paulo state, Brazil. The species' habitat has been dramatically reduced by concrete infrastructure and pollution from Brazil's largest metropolitan area. Agricultural conversion and water pollution from industrial runoff further degrade the remaining suitable environments for this critically endangered gastropod.
Where does Zilchogyra paulistana live?
Zilchogyra paulistana 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 Zilchogyra paulistana?
The main threats to Zilchogyra paulistana 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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