HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsPapermouth Papermouth (Barbus mattozi) Scientific name: Barbus mattozi Guimar?es, 1884 The Papermouth (Barbus mattozi) is a freshwater fish of the family Cyprinidae. BiologyNaturally occurring in large pools of cooler perennial rivers; thrives in man-made impoundments. An active predator which feeds initially on small planktonic crustaceans and insects; later feeds on small fishes when they are larger. Also feeds on waterlily seeds. Is preyed upon by birds, otters, large catfish and large papermouths. Migrates upstream with the first summer flood to spawn. Matures after 3 years.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBarbus mattoziFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length40.0EnvironmentFreshwater; benthopelagic; potamodromousClimateTropicalDistributionAfrica: Limpopo system, headwaters of Gwai-Zambezi (Zimbabwe), Kwando (upper Zambezi) and Cunene. Also in the Quanza in Angola and the upper Lualaba (upper Congo River basin) in Democratic Republic of the Congo.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesGamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=3; tmax=8.5) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026