Image: Great White Shark by Andy Thirlwell.
Andy Thirlwell posted this amazing image of a great white shark (Carcharodon carcharias) at the North Neptune Islands, South Australia onto the Wetpixel Facebook Group. It was taken with a Nikon D700 with the Nikon 16-35 f4 lens at 16mm housed in an Ikelite housing. Settings were 1/200, ISO 640.