The border barb (Amatolacypris trevelyani) is a ray-finned fish species in the family Cyprinidae.

[5] Its natural habitat are pools and riffles over rocky ground, where the freshwater streams it inhabits are clean and run through forests.

It feeds chiefly on nymphs of insects, and also on other small aquatic invertebrates, plant seeds and algae.

Even though it does not seem to decline markedly, its stocks are limited by African catfish (Clarias gariepinus), largemouth bass (Micropterus salmoides), smallmouth bass (Micropterus dolomieu), and trouts (Oncorhynchus and Salmo), which have been introduced in its home rivers.

Also, water quality has deteriorated in modern times, and deforestation of riverbanks will drive the species from the area.