'' Hydrobia acuta neglecta'' is a European subspecies of small

brackish water Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estuari ...

snail A snail is, in loose terms, a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name ''snail'' is also used for most of the members of the molluscan class G ...

with a

gill A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...

and an operculum, an aquatic gastropod

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

in the family

Hydrobiidae Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum; they are in the order Littorinimorpha. Distribution Hydrobiidae are found in much of the world, ...

Distribution

This species which has a distribution type: oceanic temperate occurs on the coasts of the

North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea, epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the ...

, in countries and islands including: * Iceland * Denmark * Sweden *

Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It i ...

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

* France

Ecology

''Hydrobia acuta neglecta'' occurs in coastal lagoons where incoming freshwater dilutes sea water. The preferred salinity range is 10-24 ‰.

Status

The status of this taxon is uncertain. ''Hydrobia neglecta'' is treated as a full species in

Fauna Europaea Fauna Europaea is a database of the scientific names and distribution of all living multicellular Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight o ...

, but in 1995 it had been suggested that ''H. neglecta'' is a synonym of the Mediterranean ''Hydrobia acuta'' (Draparnaud). Then a ''neglecta'' colony in northern France was shown to be ''acuta''. In 2000 a molecular study concluded that north-west European populations were not specifically distinct from the Mediterranean ''Hydrobia acuta'' and designated them subspecies ''neglecta'' Muus.Wilke, T., Rolán, E. & Davis, G. M. (2000). "The mudsnail Genus ''Hydrobia'' s.s. in the northern Atlantic and western Mediterranean: a phylogenetic analysis". ''Marine Biology''. 137: 827-833.

References

External links

AnimalBase AnimalBase is a project brought to life in 2004 and is maintained by the University of Göttingen, Germany. The goal of the AnimalBase project is to digitize early zoological literature, provide copyright-free open access to zoological works, and pr ...

info and images at

''Hydrobia acuta neglecta''
Species account and photograph at Mollusc Ireland. *
Conchological Society of Great Britain and Ireland
Identification (Differences from the very similar species '' Ventrosia ventrosa'' (Montagu, 1803)) Hydrobiidae Hydrobia Gastropods described in 1963 {{Hydrobiidae-stub