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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 / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. 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.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm TL ذكر/ مختلط الجنس; (Ref. 2801)
الأشواك الظهرية (المجموع) : 1; الأشعة الظهرية الناعمة (المجموع) : 10 - 13; أشعه شرجية لينه: 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).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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 2024-2)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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).
مستوى غذائي (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).