Will it be a Tilapia or Nile perch catch while canoeing on Lake Victoria?

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Once upon a time, 200 fresh water fish species feasted to the benefits of being birthed in Africa's largest fresh water Lake.  

Today, fingerings and flies shy away from the eyes every time you walk towards the shores of Lake Victoria. When you reverse your movement backwards, they play spy and return closer to shallow parts of the shores. Native fish mongers can estimate how old one is from the height of each as they swim back into deeper parts of the Lake.

Most landing and docking sites are busy with motorized small boats moving supplies and people from the mainland to distant Islands on this African Great Lake. However, when the shores are calm with less human activity, the juvenile creatures are drawn to the shores, maybe they know that at that stage they cannot be turned into human food.  

Imagine a lake with over 30 million human dependents across Uganda, Kenya plus Tanzania. Aquatic and wildlife habitats not to mention tourist activities within the great lakes basin. All these dependents survive from what they can harvest from the lake or produce with resources from the Lake.  

Traditional aquatic and wildlife habitat interactions balanced the natural eco-system on resource utilization resources, where the introduction/growth in populations of Nile Perch species plus more unchecked human activities has led to a extinction of some of the formerly habitat fish varieties, as they turned into prey.

Two predominate species now play a vital role in the existence or extinction of other fish varieties on Lake Victoria, Tilapia and Nile Perch were introduced during the precolonial era. “The previously herbivorous tilapia has diversified its diet to include insects and fish” According to  Charles Ngugi 



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