British & Irish Underwater Photography Championship - September 2016
This is the snaklocks anemone (Anemonia viridis).
It was photographed at Malin Beg in county Donegal, Ireland and entered in the compact camera category of the BIUPC competition where is was awarded Runner Up by this year's judges.
BIUPC is an on the day style completion where competitors have 24 hours to take the best picture they can from anywhere with Britain and Ireland and then submit their best two shots for judging. This year it was held on Saturday 27 August.
Olympus TG4 camera in an Olympus PT056 housing fitted with a ring flash.