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Boninena hiraseana

Unknown

Overview

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

Boninena hiraseana faces severe threats from habitat destruction on the Bonin Islands, where introduced species have dramatically altered native forest ecosystems. The species' extremely limited range makes it particularly vulnerable to environmental changes, with small population sizes increasing extinction risk through genetic bottlenecks and demographic stochasticity. Invasive plant species continue to modify the understory vegetation that this endemic land snail depends upon for shelter and food sources.

Threat summary

Habitat

This endemic land snail inhabits the native forests of the Bonin Islands (Ogasawara Islands), Japan, where it lives in leaf litter and among vegetation in humid forest understory environments. The species is restricted to specific microhabitats within the remaining patches of native subtropical forest on these isolated Pacific islands.

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Frequently asked questions

Why is Boninena hiraseana classified as Endangered?
Boninena hiraseana 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. Boninena hiraseana faces severe threats from habitat destruction on the Bonin Islands, where introduced species have dramatically altered native forest ecosystems. The species' extremely limited range makes it particularly vulnerable to environmental changes, with small population sizes increasing extinction risk through genetic bottlenecks and demographic stochasticity. Invasive plant species continue to modify the understory vegetation that this endemic land snail depends upon for shelter and food sources.
Where does Boninena hiraseana live?
Boninena hiraseana 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 Boninena hiraseana?
The main threats to Boninena hiraseana 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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