Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Cornish Red Data (2009)

The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.

Modiolus adriaticus - Tulip Horse-mussel

Range & Status

A filter feeding bivalve found in sandy mud or gravel which is found along the south coast of England from the Isles of Scilly to Kent, and on the west coast to north Wales. Also present on the west coast of Ireland. Elsewhere found from the Baltic Sea to the Iberian Peninsula and into the Mediterranean and Black Sea. Recently living specimens were found in Cornwall from SA18/VC1 and SA20/VC1/VC2 whilst valves only were found in SA18/VC2 and old records from the Isles of Scilly.


I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.

The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.