To use this video in a commercial player or in broadcasts, please email licensing@storyful.com ORIGINAL VERSION WITH MUSIC * www.pinktankscuba.com On 16 April, 2015, my buddies and I stumbled across this huge spider crab pyramid of maybe 1000 crabs as part of the pre-migration of 2015. I believe that this to be a mating pyramid, with safety in numbers from predators like smooth rays and angel sharks. * For the full story behind this video and MORE great spider crab photos and videos, please visit: pinktankscuba.com/2015/04/16/amazing-video-1000-spider-crab-pyramid-todays-dive-329/ * For more of my 'scuba vs tumour' underwater adventures, please visit www.pinktankscuba.com . AND you can follow PINK TANK SCUBA on Facebook.

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