Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch; potamodroom (Ref. 51243). Subtropical; 22°C - 26°C (Ref. 13614); 11°S - 27°S
Africa: Zambezi river and the Incomati system (Ref. 1440); the warmer lowveld reaches of the middle and lower Zambezi system (Ref. 52193); Pungwe, Buzi, Sabi and Lundi rivers but absent from the cooler sections (Ref. 1440). Also from the rivers of Tanzania, the Luapula-Moero region of the Congo basin and Malagarasi River in Lake Tanganyika (Ref. 1440).
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 41.5 cm SL mannelijk / geslacht onbekend; (Ref. 52193); max. gepubliceerd gewicht: 7.0 kg (Ref. 52193)
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 14 - 16; Anale stekels: 0; Anale zachte stralen: 8.
Found in strong-flowing rocky stretches of larger perennial rivers (Ref. 52193). It grazes algae and `aufwuchs' from rocks and firm surfaces including the backs of hippos, leaving characteristic tracks (Ref. 52193). Migrates upstream in swollen rivers to breed (Ref. 7248, 52193). Can occur as either sail-fin or normal varieties (Ref. 4967).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Reid, G.M., 1985. A revision of African species of Labeo (Pisces: Cyprinidae) and a re-definition of the genus. Verlag von J. Cramer, Braunschweig. 322 p. (Ref. 1440)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: visserij voor eigen gebruik; sportvis: ja
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00528 - 0.02176), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).