Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch. Tropical; 22°C - 25°C (Ref. 12468)
South America: Xingu River basin in Brazil.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL mannelijk / geslacht onbekend; (Ref. 111518); max. gepubliceerd gewicht: 379.30 g (Ref. 111518)
Feeds on aquatic macrophytes and filamentous algae (Ref. 26700). In the aquarium it will feed on flakes and frozen food, but will also hunt down a large shrimp. Females are aggressive towards other females and can have several males in following (Calum Chalmers, pers. comm. 2007).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Jégu, M., 1992. Ossubtus xinguense, nouveaux genre et espece du Rio Xingu, Amazonie, Bresil (Teleostei: Serrasalmidae). Ichthyol. Explor. Freshwat. 3(3):235-252. (Ref. 26700)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02042 (0.01120 - 0.03721), b=2.97 (2.81 - 3.13), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.0 ±0.00 se; based on food items.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).