This video says about itself:
In my Malawi tank, I keep Labeotropheus trewavasae, Tropheops macrophtalmus, Pseudotropheus saulosi, Maylandia estherae, Labidochromis hongi and Labidochromis caeruleus (Yellow).
From Practical Fishkeeping:
South African scientists Denis Tweddle and Paul Skelton have described two new species of cyprinids from Malawi.
Both new species are described from the South Rukuru River, which flows into Lake Malawi.