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This photograph of a male Sydney Cardinalfish with eggs in its mouth, was taken at a depth of 12.8 metres at Fly Point Nelson Bay NSW Australia on 23rd January 2020.

I used my Nikon D500 digital SLR with a Nikon 60mm lens and two Inon Z-330 strobes on low manual settings. ISO 320, 1/250th sec, aperture F18, Exposure Compensation 0.