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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Torinae
Eponymy: Lieutenant-Colonel José Augusto Alves Roçadas (1865–1926) was Governor of Macau (1908–1909) and Governor-General of Angola (1909–1910), having served previously as a district governor (1905–1908). [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
Africa: known from the Nyong in Cameroon (Ref. 81639), and rivers Luculla (Ref. 1869) and Quanza (Ref. 1869, 120641) in Angola. Also reported, as Labeobarbus cf. rocadasi, from the lower Congo (Ref. 94750); needs confirmation.
Size / Vikt / Age
Könsmognad: Lm ?  range ? - ? cm
Max length : 35.0 cm TL hane/ej könsbestämd; (Ref. 2801)
Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 10 - 13; Mjukstrålar i analfenan: 8. Diagnosis: mouth inferior, lips moderately developed, lower lip continuous; two pairs of well-developed barbels, anterior pair shorter than posterior pair, which are as long as or longer than eye diameter; last simple ray of dorsal fin very strong and ossified, not serrated, measuring 0.6-1 times head length; lower jaw not reaching to anterior margin of eye; 30-35 scales in lateral line (Ref. 81639).
Body shape (shape guide): elongated.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | 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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00195 - 0.00935), b=3.11 (2.90 - 3.32), 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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).
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