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This photograph of a Sydney Pygmy Pipehorse was taken at a depth of 14 metres at The Monument, Kurnell National Park, Sydney on 14th December 2018.

I used my Nikon D500 digital SLR with a 60mm Nikon lens on manual setting and two Inon Z-330 strobes on manual settings. ISO 200, 1/250th sec, aperture F32, Exposure Compensation 0