I´ve got this shot during a nightdive with many of sleeping Orangespine Unicornfish (Naso lituratus). From a distance it´s a conspicuous species. But the close-up image (no crop) shows a beautiful natural “design”.
Sharp Shinenead, South Egypt, Red Sea
Canon EOS 5D MKII with 2.8/100mm Makro USM in Seacam Housing, Speedlite 580 EX in Sealux housing, f 14, 1/125s, TTL