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.
Range & Status
This beautiful species is found feeding upon a variety of ascidians (sea squirts) such as Mogula , Ciona and Dendrodoa to 30m depth of water. It is rarely recorded, most records having been found from the south-west of England, Cornwall, north and south Devon and south-west Wales. Elsewhere, it is recorded from north-west Wales, north-eastern Ireland, the west coast of Scotland and south through the Bay of Biscay to the Mediterranean Sea.
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.