Skeletal remains of a Sperm Whale (Physeter macrocephalus) at Rikoriko Cave, Poor Knights Islands Marine Reserve New Zealand..Saturday 26 June 2010.Photograph Richard Robinson © 2010.Dive Number: 262.Boat: Yukon Charters..Site: Rikoriko Cave..Dive Buddy : Ian Skipworth..Temperature: 14.5 Degrees Celsius..Rebreather : Inspiration Vision. Total Time On Unit: 68:33 hh:mm.Maximum Depth: 31.2 meters...Bottom Time: 85 minutes..Bottom Time to Date: 14,857 minutes..Cumulative Time: 14,942 minutes.