EN

Heterocyclus petiti

Unknown

Overview

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

Heterocyclus petiti faces severe pressure from habitat destruction as Madagascar's remaining forest fragments continue to be cleared for agriculture and charcoal production. The species' extremely limited range makes it particularly vulnerable to local extinctions, with entire populations potentially lost when small forest patches are destroyed. Climate change poses an additional threat through altered rainfall patterns that could affect the humid microhabitats essential for this terrestrial gastropod's survival.

Threat summary

Habitat

This endemic Malagasy land snail inhabits the leaf litter and understory of humid primary and secondary forests in eastern Madagascar. It requires consistently moist microhabitats with stable temperature and humidity conditions typical of intact forest ecosystems.

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Palacanthilhiopsis margritae

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Frequently asked questions

Why is Heterocyclus petiti classified as Endangered?
Heterocyclus petiti 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. Heterocyclus petiti faces severe pressure from habitat destruction as Madagascar's remaining forest fragments continue to be cleared for agriculture and charcoal production. The species' extremely limited range makes it particularly vulnerable to local extinctions, with entire populations potentially lost when small forest patches are destroyed. Climate change poses an additional threat through altered rainfall patterns that could affect the humid microhabitats essential for this terrestrial gastropod's survival.
Where does Heterocyclus petiti live?
Heterocyclus petiti 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 Heterocyclus petiti?
The main threats to Heterocyclus petiti 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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