Photo copyright Andrew Reay-Robinson.
Seabream, Diplodus vulgaris, Ustica, Italy.

Further Reading
Sea Fishes and Invertebrates of the Mediterranean by Lawson Wood, Paperback, 128 pages, (2002)
The Underwater Photographer: Digital and Traditional Techniques by Martin Edge, Paperback, 424 pages (2006)
Adobe Photoshop for Underwater Photographers by J & S Drafahl, 224 pages (2007)