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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
Ecologia
; acqua dolce benthopelagico. Subtropical
South America: Grande, Tietê and Paranapanema rivers in upper Paraná River drainage, Brazil.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm SL maschio/sesso non determinato; (Ref. 37059)
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Castro, R.M.C. and L. Casatti, 1997. The fish fauna from a small forest stream of the Upper Parana River Basin, southern Brazil. Ichthyol. Explor. Freshwat. 7(3-4):337-352. (Ref. 26681)
IUCN Red List Status (Ref. 125652)
Threat to humans
Harmless
Human uses
Informazioni ulteriori
Nomi ComuniSinonimiMetabolismoPredatoriEcotossicologiaRiproduzioneMaturitàDeposizioneSpawning aggregationFecundityUovaEgg development
Age/SizeAccrescimentoLength-weightLength-lengthLength-frequenciesMorfometriaMorfologiaLarveDinamica popolazioni larvaliReclutamentoAbbondanzaBRUVS
BibliografiaAcquacolturaProfilo di acquacolturaVarietàGeneticaFrequenze allelicheEreditarietàMalattieElaborazioneNutrientsMass conversion
CollaboratoriImmaginiStamps, Coins Misc.SuoniCiguateraVelocitàModalità di nuotoArea branchialeOtolithsCervelliVista
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00426 - 0.02456), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this Genus-BS (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.5 se; based on diet studies.
Resilienza
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100) .
Climate Vulnerability (Ref.
125649): (0 of 100) .