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This photograph of a Blue Ringed or Blue Lined octopus was taken at a depth of 10.7 metres at The Pipeline, Nelson Bay, NSW Australia on 1st February 2017.

I used my Nikon D7200 digital SLR with a 60mm Nikon lens on manual setting and two Inon Z-240 strobes on TTL. ISO 800, 1/125th sec, aperture F8, Exposure Compensation 0