Underwater, Lake Malawi
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Malawi's fishy export business

10 July 2015 Last updated at 13:08 BST

Lake Malawi contains the largest number of fish species of any lake in the world and is home to a huge amount of Cichlids.

Because of their bright colours, these Cichlids are popular as aquarium fish across the globe - and this means that exporting them is big business.

David Nkwazi, managing director of Stuart M Grant Limited, told the BBC about the industry.

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