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Characiformes (Characins) >
Characidae (Characins; tetras) > Characinae
Etymology: Charax: Charax, -akos = a fish without identification (Ref. 45335); awa: The specific name honors the term Awá, from Tupi-guarani, meaning man, people, person, used by the native tribe Guajá, from the Maranhão state, for their self-denomination.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch. Tropical
South America: Rio Mearim, Rio Munim and Rio Turiaçu basins in Maranhão state, Brazil.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 12.0 cm SL mannelijk / geslacht onbekend; (Ref. 117313)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 11; Wervels: 35. Charax awa can be diagnosed by the following combination of characters: orbital diameter 22.1-28.5% HL; snout length 23.3-32.8% HL; 15-18 scales around the caudal peduncle; 35 vertebrae; lateral line complete; toothless ectopterygoid; origin of anal fin always anterior to the vertical through the origin of dorsal fin; 15-18 scale rows from the dorsal-fin origin to the lateral line; 11-12 scale rows from the pelvic-fin origin to the lateral line; 8-10 transverse scale rows in space from the humeral spot to the supracleithrum; maxilla extending to a vertical line posterior to pupil, near the pos¬terior orbital margin; and humeral spot distance 35.8-38.0 % SL (Ref. 117313).
Body shape (shape guide): short and / or deep.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Guimarães, E.C., P.S. De Brito, B.R.A. Ferreira and F.P. Ottoni, 2018. A new species of Charax (Ostariophysi, Characiformes, Characidae) from northeastern Brazil. Zoosyst. Evol. 94(1):83-93. (Ref. 117313)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.00627 - 0.03041), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (10 of 100).
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