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This photograph of a Bull Shark feed was taken at a depth of about 25 metres off Cancun, Mexico on 7th February 2015.

I used my Nikon D7000 digital SLR with a 10-17mm Tokina lens at a focal length of 10mm on manual setting and two Inon Z-240 strobes on low manual settings. ISO 500, 1/125th sec, aperture F13, Exposure Compensation 0.