- Source: Usangu lampeye
The Usangu lampeye (Lacustricola usanguensis) is a species of poeciliid fish endemic to Tanzania. It occurs in the upper Little Ruaha River drainage. Its natural habitats are swamps, pools, and small streams. This species grows to a length of 3.0 centimetres (1.2 in) TL. It is also found in the aquarium trade.