Pictured on the left is the Nile perch, a voracious predator introduced into Lake Victoria by humans to satisfy meat demands in the 1950s. On the right, several species of endemic cichlids that ...
James Omollo stares with pride across the expansive Lake Victoria and points at two fish ... 50 per cent in the last decade but the resilient Nile perch shrunk by 23 per cent.