Taxonomic Remarks
See Machado-Allison, Fink & Antonio (1989: 146), Fink (1993: 671) and Machado-Allison & Fink (1996: 27) for further detail on genus status. See Machado-Allison & Fink (1996: 26). for distribution in Venezuela. See Nico & Taphorn (1998: 317) for food habits.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch. Tropical
South America: Amazon and Orinoco River basins and north and eastern Guiana Shield rivers.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 20.1 cm TL mannelijk / geslacht onbekend; (Ref. 111518); max. gepubliceerd gewicht: 230.00 g (Ref. 111518)
Rarely captured. Prefers to inhabit the upper reaches of main rivers. Stomach content analysis showed that its food consisted mainly of seeds and to a lesser degree, morsels of fins (Ref. 12225).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Jégu, M., 2003. Serrasalminae (Pacus and piranhas). p. 182-196. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 39031)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Sportvis: ja
Tools
Speciale rapporten
Download XML
Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01698 (0.01043 - 0.02765), b=3.14 (3.00 - 3.28), 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.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (13 of 100). 🛈 |