CR

Haroldiella rapaensis

Declining

Overview

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

Haroldiella rapaensis faces severe threats from its extremely restricted range on Rapa Island in French Polynesia, making it vulnerable to any environmental disturbance. The species is threatened by habitat degradation from invasive plant species that alter the native forest composition and structure. Climate change poses additional risks through altered precipitation patterns and potential sea-level rise impacts on this small island ecosystem.

Threat summary

Habitat

This endemic land snail inhabits the native forests of Rapa Island in the Austral Islands of French Polynesia. It is restricted to specific microhabitats within the island's montane forest ecosystems.

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Frequently asked questions

Why is Haroldiella rapaensis classified as Critically Endangered?
Haroldiella rapaensis 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. Haroldiella rapaensis faces severe threats from its extremely restricted range on Rapa Island in French Polynesia, making it vulnerable to any environmental disturbance. The species is threatened by habitat degradation from invasive plant species that alter the native forest composition and structure. Climate change poses additional risks through altered precipitation patterns and potential sea-level rise impacts on this small island ecosystem.
Where does Haroldiella rapaensis live?
Haroldiella rapaensis 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 Haroldiella rapaensis?
The main threats to Haroldiella rapaensis 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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