Winners of the 2016 Underwater Photographer of the Year contest (7)

Australia's Ross Gudgeon described how perseverance paid off where this image was concerned. He said: 'Gobies on sea pens and whip corals are a very common subject for macro photography and I'm always trying to come up with a new way of shooting them. I have had many attempts to get a shot like this'

                        Speaking of his photograph, Matteo Visconti from Italy said: 'Harlequin shrimp (Hymenocera picta) are one of my best critters to shoot because of their colours and shape'