Ectodus descampsii is a species of cichlid fish endemic to Lake Tanganyika in East Africa where it prefers areas with substrates of coarse sand.

It feeds on micro-organisms, algae and diatoms.

This species reaches a length of 10.4 centimetres (4.1 in) TL.

It is also found in the aquarium trade.

[2] The specific name honours Capitaine Georges Descamps (1855-1938), a Belgian officer in the anti-slavery movement at Lake Tanganyika.