Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt Sống nổi và đáy; 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).
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm TL con đực/không giới tính; (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: Version 2024-2)
Threat to humans
Harmless
Human uses
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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=0.01000 (0.00446 - 0.02243), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 2.3 ±0.1 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).