MolluscIreland - land and freshwater
  • Acicula fusca (Montagu 1803) Point snail
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Acicula fusca
© Dr Roy Anderson

Map hosted by the National Biodiversity Data Centre, Waterford
To view the species profile on Biodiversity Maps and access the live map, please click on the map.


A tiny species with glossy cylindrical shell and an operculum living in deep, stable leaf litter, moss or soil in wooded habitats on base-rich soils.

Key characteristics

  • Shell cylindrical, of about 6 whorls, with blunt apex and shallow sutures
  • Has a minute translucent operculum which closes the aperture but this can be difficult to see
  • Surface smooth, glossy, reddish to yellowish-brown, with extremely fine, widely spaced radial striae
  • Animal pale with the eyes at the base of the tentacles


2.2-2.8 mm

World Distribution

Distribution centred upon the British Isles but known also from Belgium, north-west Germany and France south to the Basses Pyrénées. Commonest in the west, including Ireland. Distribution type: Oceanic Temperate (71).

GBIF distribution map [open in new tab]

Irish Distribution

Widespread, sometimes common, in old woods or scrub in limestone areas eg. central limestone plain. Local and rare elsewhwere.


  • Can be found on or in soil, often under stones, in thick moss or in deep leaf litter
  • Prefers shaded environments on base-rich strata
  • Occasionally reported from acidic strata but rare away from limestone, chalk and basalt

Red List status

  • Vulnerable (VU).

Wikipedia link

Wikipedia page for Acicula fusca

 Anderson, R., (2016). Acicula fusca (Montagu 1803). [In] MolluscIreland. Accessed on 2024-03-02.