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Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique; pH range: 5.6 - 7.5; dH range: ? - 25. Subtropical; 18°C - 24°C (Ref. 1672)
South America: São Francisco and upper Paraná River drainages in Brazil.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 6.9 cm SL mâle / non sexé; (Ref. 130067); poids max. publié: 5.60 g (Ref. 130067)
Found in lentic environment (Ref. 11229).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Casatti, L. and R.M.C. Castro, 1998. A fish community of the São Francisco River headwaters riffles, southeastern Brazil. Ichthyol. Explor. Freshwat. 9(3):229-242. (Ref. 27701)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquarium: Commercial
Outils
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Sources Internet
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=0.01023 (0.00434 - 0.02412), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.9 ±0.41 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).