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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Torinae
Eponymy: Harry Royle was an agent with the Liverpool firm Hutton and Cookson, whose ‘warm welcome’ (translation) and other services (unspecified) greatly assisted the explorer William John Ansorge (1850–1913), who collected the barb holotype. (Ref. 128868), visit book page.
More on author: Boulenger.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
Africa: Lower Guinea endemic, known from the Chiloango (Ref. 2801, 81639, 120641) and the Kouilou River basins (Ref. 81639).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 55.0 cm TL hane/ej könsbestämd; (Ref. 81639)
Mjukstrålar i ryggfenan (totalt) : 12; Mjukstrålar i analfenan: 8 - 9. Diagnosis: mouth inferior; lips extremely well-developed; two pairs of well-developed barbels, anterior pair 1-1.3, posterior pair 1.3-2x eye diameter; last simple ray of dorsal fin ossified, measuring 0.5-0.67x HL (Ref. 81639).
Body shape (shape guide): elongated.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Lévêque, C. and J. Daget, 1984. Cyprinidae. p. 217-342. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 2801)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00218 - 0.01003), b=3.10 (2.90 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Moderate vulnerability (42 of 100).
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