Fig. (1) Trends in fish catches in Lake Naivasha based on (a) catches and boats, (b) catch of major species. O. leucosticus = Oreochromis leucosticus, O. niloticus = Oreochromis niloticus, C. gariepinus = Clarias gariepinus, C. carpio = Cyprinus carpio, M. salmoides = Micropterus salmoides. (Data source: Kenya Marine and Fisheries Research Institute, KMFRI 2016).