[1][3] The area where it is found covers about 120 km2 (45 sq mi),[3] and is located at an altitude around 700–850 m (2,300–2,800 ft) above sea level.

[3] Currently, the main threat is habitat loss: The human population in its range is increasing and farming near the caves can result in sedimentation and pollution.

Other potentially serious threats are changes to the hydrology (for example, large-scale water extraction) of the small rivers that feed the caves and predation by Clarias catfish found in at least some places inhabited by the Congo blind barb.

[3] The eye completely lacks a lens, and the retina and optical nerve are rudimentary and located deep inside the head.

[3] The Congo blind barb mainly relies on food items that flow into the cave during the rainy (flood) season, but it may also feed on small crustaceans.