Image Hilmar Hinz - Acteon tornatilis shell, approximately 1.5 cm. Image width ca 2.5 cm.
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Acteon tornatilis is not listed under any importance categories.
|Phylum||Mollusca||Snails, slugs, mussels, cockles, clams & squid|
|Class||Gastropoda||Snails, slugs & sea butterflies|
|Recorded Distribution in Britain and Ireland||Acteon tornatilis has been recorded from scattered locations around the UK and Ireland. Records are rare from the east coast of England.|
|Habitat information||Acteon tornatilis is found especially in sheltered sandy bays or in deep water from low water to 250 m depth. As well as inhabiting sandy sediments, Acteon tornatilis is also found in sandy mud and gravel. Acteon tornatilis has occasionally been found in the holdfasts of Laminaria hyperborea from Beadnell, north-east England.|
|Description||Acteon tornatilis is a primitive sea slug within a thick, opaque, pink, external shell of up to 2-3 cm that is marked by 1-3 white bands on the body whorl and 1 white band on the remainder. Either side of each band is a narrow margin of dark pink. It is able to withdraw the whole of its body into its shell which is then sealed by an amber-coloured operculum. The shell aperture accounts for two-thirds of the shell length. Inside the lip of the shell is a distinctive tooth. The head of Acteon tornatilis has four large lobes and a cephalic disc that is used in burrowing through clean, fine sand together with a small foot that has blunt, propodial tentacles. Inside of the shell are folded mantle flaps.|
Acteon tornatilis is a carnivore, feeding on tubiculous, infaunal polychaetes, including Owenia fusiformis and Lanice conchilega.Acteon tornatilis has previously been known as Tornatella fasciata (pre-1950). Four species of the Acteon genus are found in Europe.
This review can be cited as follows:
Saskiya Richards 2008. Acteon tornatilis. A sea slug. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 25/05/2013]. Available from: <http://www.marlin.ac.uk/speciesinformation.php?speciesID=2352>