Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique; pH range: 6.0 - 7.2; dH range: ? - 10. Tropical; 22°C - 26°C (Ref. 2060)
South America: coastal rivers of the Guianas and São Francisco River basin.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL mâle / non sexé; (Ref. 2060); 20.0 cm TL (female)
Adults occur in creeks with swift water flow, over sandy and rocky bottoms. Prey on invertebrates (Ref. 12225). Distinct pairs breed on densely grown weedy places. Males tend to remain near the nesting site (Ref. 205).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Distinct pairs breed on densely grown weedy places. Males tend to remain near the nesting site (Ref. 205).
Planquette, P., P. Keith and P.-Y. Le Bail, 1996. Atlas des poissons d'eau douce de Guyane. Tome 1. Collection du Patrimoine Naturel Volume 22, MNHN, Paris & INRA, Paris. 429 p. (Ref. 12225)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquarium: Commercial
Outils
Articles particuliers
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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=0.00631 (0.00382 - 0.01041), b=2.95 (2.81 - 3.09), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.5 ±0.37 se; based on food items.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).