'Best of British' competition at BSoUP - October 2012
From left to right:
Shrimp (Periclemenes sagaittifer) in a snakelocks anemone (Anemonia viridis), from Babbacombe in Devon.
Mackerel shoal (Trachurus trachurus) and diver silhouette from St Abbs, near Eyemouth.
Nudibranch (Polycera quadrilineata) on a kelp stalk, from Loch Long, Scotland.