Marcusenius livingstonii

Livingston's bulldog Marcusenius livingstonii is a species of ray-finned fish in the family Mormyridae. It is found in Malawi, Mozambique, and Tanzania. Its natural habitats are rivers, intermittent rivers, and freshwater lakes. It is threatened by habitat loss.

Etymology
The fish is named in honor of the brother of explorer David Livingstone, Charles Livingstone (1821-1873), who collected the type specimen.