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Characiformes (Characins) >
Characidae (Characins; tetras) > Incertae sedis
Etymology: Genycharax: Greek, genys, -yos = jaw, face + Greek, charax = a marine fish without identification (Ref. 45335).
More on author: Eigenmann.
Issue
It is a game fish of the upper Rio Cauca according to Eigenmann, 1912:22. See Géry, 1977:531 for comments.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
South America: upper Río Cauca, Colombia.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 17.4 cm SL hane/ej könsbestämd; (Ref. 38376)
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Géry, J., 1977. Characoids of the world. Neptune City ; Reigate : T.F.H. [etc.]; 672 p. : ill. (chiefly col.) ; 23 cm. (Ref. 598)
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 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).