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.

Pisa tetraodon - Four-horned Spider Crab



Range & Status

Found intertidally and down to 36m depth, often on the brown seaweed Cystoseira spp. Recorded from north-west Wales, the Irish Sea and the west and south-west coasts of Ireland. Also found in the English Channel predominantly from the eastern end. Only two, relatively old, records for Cornwall.



Click here to see Aphotoflora images by David Fenwick

Source:

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.