CR

Bulimulus achatellinus

Unknown

Overview

Naesiotus achatellinus is a species of tropical air-breathing land snail, a pulmonate gastropod mollusk in the subfamily Bulimulinae.

Bulimulus achatellinus faces severe population decline primarily due to habitat destruction from urban development and agricultural expansion across its limited range in the Galápagos Islands. Introduced species, particularly invasive plants and predatory species, have significantly altered the native ecosystem structure this endemic snail depends upon. Climate change poses an additional threat through altered precipitation patterns that affect the moisture levels critical for this terrestrial gastropod's survival.

Threat summary

Habitat

This endemic Galápagos land snail inhabits dry coastal zones and arid lowland areas, typically found among native vegetation and rocky substrates. The species requires specific microhabitat conditions with adequate moisture retention and native plant communities for shelter and feeding.

Other threatened species in BULIMULIDAE

VU

Drymaeus acervatus

Unknown
VU

Bulimulus ustulatus

Unknown
CR

Bulimulus reibischi

Unknown
CR

Bulimulus tanneri

Unknown

Frequently asked questions

Why is Bulimulus achatellinus classified as Critically Endangered?
Bulimulus achatellinus 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. Bulimulus achatellinus faces severe population decline primarily due to habitat destruction from urban development and agricultural expansion across its limited range in the Galápagos Islands. Introduced species, particularly invasive plants and predatory species, have significantly altered the native ecosystem structure this endemic snail depends upon. Climate change poses an additional threat through altered precipitation patterns that affect the moisture levels critical for this terrestrial gastropod's survival.
Where does Bulimulus achatellinus live?
Bulimulus achatellinus 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 Bulimulus achatellinus?
The main threats to Bulimulus achatellinus are 5.3, 7.1, 8.1, and ai-1. The full IUCN-classified threat record for this species is detailed on the species page.

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