Credit: Lumbwe Kalumba (Zambia) The photo shows fish farmers while are harvesting an earthen fish pond. The pond was stocked with Tilapia rendalli. The main cultured species are Oreochromis macrochir, Tilapia rendalli and Oreochromis andersonaii. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us …