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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
Écologie
; eau douce benthopélagique. Tropical
South America: upper Río Cauca, Colombia.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 17.4 cm SL mâle / non sexé; (Ref. 38376)
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Géry, J., 1977. Characoids of the world. Neptune City ; Reigate : T.F.H. [etc.]; 672 p. : ill. (chiefly col.) ; 23 cm. (Ref. 598)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).