CR

Helicostyla smargadina

Unknown

Overview

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

Helicostyla smargadina faces severe population decline primarily due to extensive deforestation and habitat conversion throughout its limited range in the Philippines. Agricultural expansion and urban development have fragmented the remaining forest patches where this endemic land snail occurs. Over-collection for the shell trade and introduction of invasive species further compound the threats to this critically endangered gastropod.

Threat summary

Habitat

This endemic Philippine land snail inhabits tropical rainforest environments, typically found in the leaf litter and understory vegetation of primary and secondary forests. The species requires humid microhabitats with stable moisture levels and organic debris for feeding and shelter.

Frequently asked questions

Why is Helicostyla smargadina classified as Critically Endangered?
Helicostyla smargadina 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. Helicostyla smargadina faces severe population decline primarily due to extensive deforestation and habitat conversion throughout its limited range in the Philippines. Agricultural expansion and urban development have fragmented the remaining forest patches where this endemic land snail occurs. Over-collection for the shell trade and introduction of invasive species further compound the threats to this critically endangered gastropod.
Where does Helicostyla smargadina live?
Helicostyla smargadina 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 Helicostyla smargadina?
The main threats to Helicostyla smargadina 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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