Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; flodvandrande (Ref. 51243). Tropical
South America: Paraná, Paraguay, and Uruguay River basins.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 43.5 cm TL hane/ej könsbestämd; (Ref. 94838); common length : 37.5 cm SL hane/ej könsbestämd; (Ref. 56003); publicerad maxvikt: 683.00 g (Ref. 125973)
Distinct pairs breed on densely grown weedy places (Ref. 205).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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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=0.01698 (0.01062 - 0.02715), b=3.08 (2.94 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.8 ±0.25 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).