Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة; pH range: 5.6 - 7.2; dH range: ? - 18. Tropical
South America: Amazon river basin and Guiana rivers (Ref. 36801). Reported from Argentina (Ref. 56308).
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm TL ذكر/ مختلط الجنس; (Ref. 12225)
Distinct pairs breed on densely grown weedy places (Ref. 205). Males are sexually mature at 1 year while the females become mature at 2 years. Reproduction is from November to March with a peak from December to March. The female spawns 100,000 to 200,000 eggs (Ref. 12225).
Distinct pairs breed on densely grown weedy places (Ref. 205).
Garavello, J.C. and H.A. Britski, 2003. Anostomidae (Headstanders). p. 71-84. 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. 36801)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00356 - 0.01695), b=3.05 (2.88 - 3.22), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.3 ±0.1 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).