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> Characiformes (Characins) > Characidae (Characins; tetras) > Stethaprioninae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335); jordanensis: Named after the drainage from where the species is described, the rio Jordão, a tributary to the rio Iguaçu basin..

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water benthopelagisch. Tropical

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South America: Rio Jacu and rio das Torres in the lower portions of the rio Jordão drainage, lower rio Iguaçu basin, Paraná, Brazil

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 7.6 cm SL mannelijk / geslacht onbekend; (Ref. 81203)

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Dorsale zachte stralen (totaal) : 10 - 11; Wervels: 34 - 37. Distinguished from other congeners by the combination of the following characters: anal fin with 13-17 branched rays; lateral line scales 35-38; one humeral spot; dentary teeth abruptly decreasing in size after the fifth tooth; orbital diameter 22.6-29.1% of HL; interorbital width 30.6-35.7% of HL; snout length 25.3-29.7% of HL; predorsal scales 12-15; dorsal procurrent rays 10-12; maxillary teeth 1 or 2; and a conspicuous midlateral band from humeral region to caudal peduncle (Ref. 81203).

Feeds on insects and plants (Ref. 81203).

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Vera Alcaraz, H.S., C.S. Pavanelli and V.A. Bertaco, 2009. Astyanax jordanensis (Ostariophysi: Characidae) a new species from the rio Iguaçu basin, Paraná, Brazil. Neotrop. Ichthyol. 7(2):185-190. (Ref. 81203)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 18 May 2022

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01148 (0.00526 - 0.02507), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 2.9 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Astyanax jordanensis Vera Alcaraz, Pavanelli & Bertaco, 2009