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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Nematobrycon: Greek, nemas, -atos = filament + Greek, bryko = abyss (Ref. 45335).
Eponymy: Mervyn George Palmer (1882–1954) was an English naturalist, traveller and collector in Central and South America. [...] (Ref. 128868), visit book page.
More on author: Eigenmann.
Issue
See Weitzman & Fink, 1971:57 for detailed synonymy and Géry, 1977: 386 for comments.
Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce pelágico; pH range: 5.0 - 8.0; dH range: 5 - 19. Tropical; 23°C - 27°C (Ref. 1672)
South America: Atrato and San Juan River basins.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.2 cm SL macho / no sexado; (Ref. 38376)
Feeds on worms and crustaceans (Ref. 7020). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 80 cm (Ref. 51539).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00540 - 0.02440), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.2 ±0.36 se; based on food items.
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).