Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch. Tropical; 13°N - 11°N
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 41.0 cm FL mannelijk / geslacht onbekend; (Ref. 35835)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 12 - 13; Anale stekels: 0; Anale zachte stralen: 8. Snout more than 4 times in head length; interorbital width more than 2 times in head width; head depth more than 2 times in head length; operculum depth more than 3.4 times in head length; silvery white.
Over muddy, sandy and rocky substrates all over Lake Tana, preferably in water deeper than 6 m. Juveniles feed on zooplankton and insect larvae. Adults feed on other fish (Ref. 35835).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Nagelkerke, L.A.J. and F.A. Sibbing, 1997. A revision of the large barbs (Barbus spp., Cyprinidae, Teleostei) of Lake Tana, Ethiopia, with a description of seven new species. p. 105-170. In L.A.J. Nagelkerke (ed.) The barbs of Lake Tana, Ethiopia: morphological diversity and its implications for taxonomy, trophic resource partititioning and fisheries. Wageningen University, The Netherlands. (Ref. 35835)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
Download XML
Internetbronnen
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=0.00437 (0.00201 - 0.00949), b=3.10 (2.90 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.6 ±0.53 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
