Coral reefs are often places of amazing colour, but every now and again they present an explosion of colour that is mind-boggling. Here, a group of purple fairy basslets hides in the branches of a pink and orange soft coral. Great Barrier Reef.

Canon EOS 5D MkII; Canon EF 100mm f/2.8L Macro IS USM lens; Seacam housing; Ikelite DS125 strobes.