Longitude (deg): -4.9. Latitude (deg): 50.1. Longitude (deg/min): 4° 60' W. Latitude (deg/min): 50° 10' N. Vice county name: East Cornwall. Vice county no.: 2. Country: England. Stage: Living animal. Identified by: Malcolm Storey. Comment: live animals, on foreshore. Detail to note: white columella. Category: standard photograph or close-up. Real world width(mm): 0. Photographic equipment used: Canon EOS400D digital SLR with Tamron SP AF Di 90mm Macro 1:1 lens.