Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce bentopelágico; pH range: 6.5 - 7.5; dH range: ? - 25. Tropical; 23°C - 26°C (Ref. 2060)
South America: coastal streams of the Guiana Shield, Orinoco and Amazon River basins.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.4 cm TL macho / no sexado; (Ref. 111518); peso máximo publicado: 20.10 g (Ref. 111518)
Occurs in rapidly flowing water with a rocky bottom. Like other taxa of the same genus, it is omnivorous and feeds on small fish. Is known to be quarrelsome (Ref. 12225).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Spawns in schools during rainy season.
Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. …, 2003. Genera Incertae Sedis in Characidae. p. 106-168. 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. 38376)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Pesquerías: comercial; Acuario: Comercial
Herramientas
Special reports
Download XML
Fuentes de 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=0.00661 (0.00474 - 0.00922), b=3.17 (3.08 - 3.26), in cm total length, based on LWR estimates for this species (Ref.
93245).
Nivel trófico (Ref.
69278): 4.2 ±0.73 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).