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Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Melanocharacidium: Greek, melan, -anos = black + Greek, diminutive, charax = a marine fish woithout identification (Ref. 45335); nigrum: Specific name refers to the black pigmentation covering the whole the body. Although omitted in Ref. 37059, Buckup (pers. comm. 28/08/03) informs us that M. nigrum was correctly included in the working manuscript.
Environment: milieu / climate zone / rango de profundidad / distribution range
Ecología
; agua dulce bentopelágico. Tropical
South America: Amazon basin, rivers draining the Guiana Shield.
Tamaño / Peso / Age
Madurez: Lm ?  range ? - ? cm
Max length : 6.7 cm SL macho / no sexado; (Ref. 48602)
Maximum length from CLOFFSCA manuscript (Buckup pers. comm., 13/11/03).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Buckup, P.A., 1993. Review of the characidiin fishes (Teleostei: Characiformes), with descriptions of four new genera and ten new species. Ichthyol. Explor. Freshwat. 4(2):97-154. (Ref. 13683)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Referencia
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.00479 - 0.03160), b=3.00 (2.77 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.5 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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