|General Information||Taxonomy and identification||General biology||Habitat preferences and distribution||Reproduction and longevity||Sensitivity||Importance|
Image Steve Trewhella - The laver spire shell, Hydrobia ulvae. Image width ca 2cm.
Image copyright information
Hydrobia ulvae is not listed under any importance categories.
|Researched by:||Angus Jackson||Refereed by:||Dr Richard S.K. Barnes|
|Phylum||Mollusca||Snails, slugs, mussels, cockles, clams & squid|
|Class||Gastropoda||Snails, slugs & sea butterflies|
|Recorded distribution in Britain and Ireland||Found on all British and Irish coasts|
|Habitat information||Typically found on muddy sand, in estuaries and salt marshes. Sometimes also in lagoons and other areas of reduced salinity. Frequently associated with seagrass beds. Highest densities found mid-tidally but has been recorded down to 100 m depth.|
|Description||A small spiralling shell with six whorls. Up to 6 mm high but more typically around 4 mm. The shell is brown to yellow in colour. The body of the snail is a clear grey frequently with various pigment spots.|
This review can be cited as follows:
Angus Jackson 2000. Hydrobia ulvae. Laver spire shell. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 21/05/2013]. Available from: <http://www.marlin.ac.uk/speciesfullreview.php?speciesID=3540>