Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch; pH range: 6.8 - 7.8; dH range: 5 - 20; potamodroom (Ref. 51243). Subtropical; 20°C - 24°C (Ref. 2060)
South America: Paraná and São Francisco River basins.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 15.8  range ? - ? cm
Max length : 51.0 cm TL mannelijk / geslacht onbekend; (Ref. 79585); common length : 36.0 cm SL mannelijk / geslacht onbekend; (Ref. 26147); max. gepubliceerd gewicht: 2.4 kg (Ref. 79585)
Occurs in ponds (Ref. 11229). Omnivorous (Ref. 79585).
Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p. (Ref. 6868)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; Aquacultuur: commercieel
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=0.00955 (0.00780 - 0.01169), b=3.09 (3.04 - 3.14), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.9 ±0.35 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 (40 of 100).
Nutrients (Ref.
124155): Calcium = 43.7 [16.0, 116.5] mg/100g; Iron = 1.18 [0.57, 2.30] mg/100g; Protein = 17.5 [15.4, 19.4] %; Omega3 = 0.624 [0.240, 1.695] g/100g; Selenium = 36.5 [15.2, 79.7] μg/100g; VitaminA = 27.6 [9.5, 72.3] μg/100g; Zinc = 1.18 [0.78, 1.69] mg/100g (wet weight); based on
nutrient studies.