The semi-arid Karoo is not the place that comes to mind for aquaculture, but in the Karoo town of Graaff-Reinet you’ll find tens of thousands of fish.

On the urban edge is a fish farm and factory called Karoo Catch. It’s a social enterprise with seven large tunnels where they grow 10,000-15,000 catfish per tunnel in freshwater ponds. Once they reach 1.6kg, they are processed into fish fillets and sausages, mince and burgers that taste like beef and pork...

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