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
Found amongst algal holdfasts on the lower shore in the Laminaria zone. Also found in the sub-littoral zone down to 20m. This species is only known from the coasts of Devon, Cornwall and southern Ireland. Here it may be found particularly in estuaries such as the Exe, Fowey and Fal. It is also found in more exposed locations in the Isles of Scilly and southern Ireland.
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.