In search of the giant Mantra Ray - Pacific Abyss - BBC

Kate Humble and a thirty-strong team of divers and scientists travel to the remote islands of Micronesia in search of giant Mantra Ray fish. But before they can begin the search, they need the permission of the local chief on the island of Yap. Visit http://www.bbcearth.com for all the latest animal news and wildlife videos and watch more high quality videos on the new BBC Earth YouTube channel ...