Here is some info but I doubt you will find a diver willing to search from inshore down to a 100 meters for this thing. Why not try some of the more common sharks?
<a href="http://www.fishbase.org/Summary/SpeciesSummary.cfm?ID=855&genusname=Scyliorhinus&speciesname=torazame" target="_blank">http://www.fishbase.org/Summary/SpeciesSummary.cfm?ID=855&genusname=Scyli orhinus&speciesname=torazame</a>