Issue
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.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Tropical
South America: Amazon and Orinoco River basins and north and eastern Guiana Shield rivers.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 20.1 cm TL ذكر/ مختلط الجنس; (Ref. 111518); أعلا وزن تم نشرة: 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).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
لعبة سمكه: نعم
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.01063 - 0.02842), b=3.14 (3.00 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (مرجع
69278): 2.0 ±0.00 se; based on food items.
المرونه (مرجع
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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