Acroloxus lacustris

Acroloxus lacustris, or the lake limpet, is a small freshwater limpet or snail, a species of aquatic gastropod mollusk in the family Acroloxidae.

Acroloxus lacustris
Acroloxus lacustris Lake Constance
Two views of a shell of Acroloxus lacustris
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Hygrophila
Superfamily:
Acroloxoidea
Family:
Acroloxidae
Genus:
Acroloxus
Species:
A. lacustris
Binomial name
Acroloxus lacustris
Synonyms

Acroloxus velkovrhi Bole, 1965

Description

The 4–7 mm. (7 mm long, 3 mm wide and 2 mm high) shell is laterally compressed elongate and limpet-like (no whorls and cone or hat shaped) with a sharp apex twisted to the left The colour is yellowish-grey to brown. The dimensions may vary depending on the substrate surface. On thin plant stems the shells are narrow, and more parallel-sided on leaves and stones they are rather wide oval. [3]

Distribution

Found across Europe to western and central Siberia. The distribution type is Eurosiberian Wide Temperate. This species of freshwater limpet is found in European countries and islands including:

Habitat

Acroloxus lacustris prefers still water. It lives in lakes, rivers, etc. [5]

Conservation status

This species is listed as least concern by the IUCN red list.

It is thought to be extinct in Israel due to habitat loss. [6]

References
  1. Seddon, M.B. (2014). "Acroloxus lacustris". The IUCN Red List of Threatened Species. IUCN. 2014: e.T155692A734716. doi:10.2305/IUCN.UK.2014-1.RLTS.T155692A734716.en. Retrieved 5 January 2018.
  2. Linnaeus C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. 10th edition. Vermes. Testacea: 700-781. Holmiae. (Salvius).
  3. "Fresh Water Limpets - Snails and Slugs (Gastropoda)". molluscs.at.
  4. (in Czech) Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. PDF.
  5. "Acroloxus lacustris (Linnaeus 1758) - Lake limpet". molluscsIreland.
  6. Seddon, M.B. (2014). "Acroloxus lacustris". The IUCN Red List of Threatened Species. IUCN. 2014: e.T155692A734716. doi:10.2305/IUCN.UK.2014-1.RLTS.T155692A734716.en. Retrieved 5 January 2018.
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