'Is it possible to have a severe case of the blues when scuba diving? It is if you’re surrounded by blue sharks in the crystal-clear, deep-blue waters of the Agulhas Current off South Africa.'Snorkeling with blue sharks is something I recommend to divers and swimmers of all abilities, as it is a great introduction to the world of sharks. In my latest article for The Scuba News New Zealand, I take a look at what's on offer in South Africa:http://nz.thescubanews.com/2016/08/29/snorkeling-with-blue-and-mako-sharks-in-south-africa/