Narrow-mouthed Whorl Snail
CR

Narrow-mouthed Whorl Snail

Vertigo angustior

UnknownVUEUVUEU

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Vertigo_angustior

Overview

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

The Narrow-mouthed Whorl Snail faces severe threats from habitat loss and degradation of its specialized wetland environments. Agricultural intensification, drainage of fens and marshes, and changes in water management practices have dramatically reduced suitable habitat across its range, while climate change poses additional risks through altered precipitation patterns and temperature regimes.

Threat summary

Habitat

Inhabits calcareous fens, wet meadows, marshes, and other permanently moist grassland habitats with high calcium content. Requires specific microhabitats with consistent moisture levels and alkaline conditions, typically found in areas with groundwater seepage or near springs.

TERRESTRIAL· major

Other threatened species in Vertiginidae

Mountain Whorl SnailVU

Mountain Whorl Snail

Vertigo alpestris

Unknown
Marsh Whorl SnailCR

Marsh Whorl Snail

Vertigo antivertigo

Unknown
Lilljeborg's Whorl SnailCR

Lilljeborg's Whorl Snail

Vertigo lilljeborgi

Unknown

Frequently asked questions

Why is Narrow-mouthed Whorl Snail classified as Critically Endangered?
Narrow-mouthed Whorl Snail 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. The Narrow-mouthed Whorl Snail faces severe threats from habitat loss and degradation of its specialized wetland environments. Agricultural intensification, drainage of fens and marshes, and changes in water management practices have dramatically reduced suitable habitat across its range, while climate change poses additional risks through altered precipitation patterns and temperature regimes.
Where does Narrow-mouthed Whorl Snail live?
Narrow-mouthed Whorl Snail 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 Narrow-mouthed Whorl Snail?
The main threats to Narrow-mouthed Whorl Snail 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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