Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique; 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 / Taille / Poids / Âge
Maturity: Lm ?, range 15 - ? cm
Max length : 37.0 cm TL mâle / non sexé; (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 | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur; Aquarium: Commercial
Outils
Articles particuliers
Télécharger en XML
Sources 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).
Niveau trophique (Ref.
69278): 3.0 ±0.34 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).