Longitude (deg): -2.4. Latitude (deg): 50.5. Longitude (deg/min): 2° 30' W. Latitude (deg/min): 50° 30' N. Vice county name: Dorset. Vice county no.: 9. Country: England. Stage: Live animal. Identified by: Malcolm Storey. Comment: among surface pebbles in tidal spring. Category: macro-photograph. Image scaling: highly enlarged. Real world width(mm): 0. Background: black background. Where photo was taken: In a compressorium. Photographic equipment used: Canon EOS10D digital SLR and Macro MPE 65mm x1 to x5 macro lens.