Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Bryconamericus: Greek, bryko = to bite + America, latinized (Ref. 45335); singularis: The specific name refers to the singular and striking aspect of this species.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical
South America: Cinaruco River, Orinoco River basin in Venezuela.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 3.9 cm SL mâle / non sexé; (Ref. 77139)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 11 - 12; Rayons mous anaux: 20 - 21; Vertèbres: 33. Distinguished from all other species of the genus in having the following characters: top of the head flat; dentary with six or seven slight unicuspid teeth; a dark lateral band extending from posterior edge of the usually diffuse humeral spot to the base of caudal fin, and that widens and strengthens in intensity posteriorly at point beneath dorsal fin origin; and five supraneural bones without cartilage on either upper or lower edges and without cartilage on all structures (Ref. 77139).
An omnivorous fish which feeds on aquatic insects, snails, seeds and aquatic plants (Ref. 77139).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Román-Valencia, C., D.C. Taphorn B. and R.I. Ruiz-C., 2008. Two new Bryconamericus: B. cinarucoense n. sp. And B. singularis n. sp. (Characiformes, characidae) from the Cinaruco River, Orinoco Basin, with keys to all Venezuelan species. Anim. Biodivers. Conserv. 31(1):15-27. (Ref. 77139)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
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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=0.01413 (0.00599 - 0.03330), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
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).