Standing among coconut and mango trees near the coast of Mozambique, Fernando Nhamussua carefully prepares shark meat for a family meal – and contemplates a basket with a profitable haul of four dried shark fins. "I want to sell them to the Chinese," the 33-year-old admits with disarming candour, estimating that a kilogram's worth will fetch around 5,000 meticals (£104). "We take them to town wher
