Umbraculum umbraculum (Lightfoot, 1786) [Patella]
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Umbraculum umbraculum is charcterized by a large external shell covering the dorsum. The colour of the circular body ranges from pale translucent whitish, through yellow, to bright orange, almost red.
Often there are large pustules on the body in some specimens are those pustules whitish, they are almost always of the same colour as the body.The shell is is usually covered with encrusting plant and animal growths.
The tubular rhinophores extend out from beneath the shell.
This species has a worldwide distribution in tropical to warm temperate waters.
It has many synonyms including Umbraculum sinicum (Gmelin, 1791) and Umbraculum mediterraneum (Lamarck, 1819).
More information on Umbraculum umbraculum are on
Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2017), published 18 July 2017, Umbraculum umbraculum (Lightfoot, 1786)
available from http://www.Philippine-Sea-Slugs.com/Umbraculoidea/Umbraculum_umbraculum.htm