Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical; 22°C - 25°C (Ref. 12468)
South America: Xingu River basin in Brazil.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL mâle / non sexé; (Ref. 111518); poids max. publié: 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).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (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).
Niveau trophique (Ref.
69278): 2.0 ±0.00 se; based on food items.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).