Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Hemibrycon: Greek, hemi = half + Greek, bryko = to bite (Ref. 45335); fasciatus: From the Latin fascia, alluding to the dark lateral stripe or band that distinguishes this species. A
noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
South America: Nare River drainage, Magdalena River basin in Colombia.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 8.3 cm SL hane/ej könsbestämd; (Ref. 95113)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Ryggkotor: 38 - 40. Distinguished from all congeners by having the following combination of characters: a circular humeral spot that does not pass ventrally below the lateral-line canal and has a only a diffuse, inconspicuous vertical extension; short scales with a rounded posterior margin at the base of the caudal-fin; melanophores present on the posterior margins of the scales all along the sides of body; a dark lateral stripe, formed by deep pigment that is continuous with the caudal peduncle spot; wide, concave pelvic bone; middle part of the dorsal margin of the orbito-sphenoid bone concave, and not in contact with the frontal; ventral tip of extrascapular bifurcate; first postcleithrum not contacting cleithrum; the portion of maxilla with teeth does not reach the dorsal border of the dentary; all maxillary teeth tricuspid; caudal peduncle spot continuous with the dark lateral stripe; and humeral spot extending on to the posterior part of the opercle (Ref. 95113).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Román-Valencia, C., R.I. Ruiz-C., D.C. Taphorn, N.J. Mancera-Rodriguez and C. García-A., 2013. Three new species of Hemibrycon (Characiformes: Characidae) from the Magdalena River Basin, Colombia. Rev. Biol. Trop. 61(3):1365-1387. (Ref. 95113)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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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 (0.00635 - 0.03140), b=2.99 (2.80 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
