By Josiane Kouagheu3 Min ReadDOUALA( Reuters)-When Boris Kamgo scatters food into the netted enclosures of his fish farm on the palm-fringed Dibamba river, the surface churns with the red tilapia he hopes will help curb Cameroon’s dependence on frozen imports. Spicy grilled fish served whole is one of the central African country’s de facto national dishes, but around half of the some 500, 000 tonnes of fish consumed per year is bought from abroad, while the rest is almost all wild-caught. Kamgo