Longitude (deg): -1.9. Latitude (deg): 50.6. Longitude (deg/min): 1° 60' W. Latitude (deg/min): 50° 40' N. Vice county name: Dorset. Vice county no.: 9. Country: England. Stage: In cop.. Associated species: Chlorophyceae. Identified by: Ian McLean. Comment: mating aggregations on green seaweed-covered wooden groynes. Category: standard photograph or close-up. Image scaling: enlarged. Real world width(mm): 0. Photographic equipment used: Canon EOS400D digital SLR with Tamron SP AF Di 90mm Macro 1:1 lens.