Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce benthopelagico; pH range: 5.5 - 7.5; dH range: 2 - 20. Tropical; 22°C - 26°C (Ref. 1672)
South America: Amazon River basin.
Length at first maturity / Size / Peso / Age
Maturity: Lm ?, range 15 - ? cm
Max length : 37.0 cm TL maschio/sesso non determinato; (Ref. 111518)
Adults occur in rocky areas of rapidly flowing waters. Feed on worms, crustaceans, insects and plant matter (Ref. 7020), and fish. Oviparous (Ref. 205). Distinct pairs breed on densely grown weedy places (Ref. 205). Breeding takes place from December to May. Sexually mature at 15 cm (Ref. 12225).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Oviparous. Distinct pairs breed on densely grown weedy places (Ref. 205). Males tend to stay where the nests are located (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
Pesca: scarso interesse commerciale; Acquario: Commerciale
Strumenti
Special reports
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Fonti Internet
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=0.01023 (0.00655 - 0.01600), b=3.08 (2.95 - 3.21), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.0 ±0.34 se; based on food items.
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).