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Astyanax douradilho, a new characid fish from the rio Tramandaí system, southern Brazil (Characiformes: Characidae)

Home Forums Ichthyology Astyanax douradilho, a new characid fish from the rio Tramandaí system, southern Brazil (Characiformes: Characidae)

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    Matt
    Keymaster

    Zootaxa 3794(3)

    Abstract

    Astyanax douradilho, new species, is described from the rio Tramandaí system, coastal drainage of Rio Grande do Sul
    State, Brazil. The new species is distinguished from its congeners by possessing 37–39 perforated scales along the lateral
    line, 3–5 maxillary tricuspid teeth, 22–24 branched anal-fin rays, absence of a conspicuous dark stripe from humeral region
    to caudal peduncle, two vertically elongated humeral spots, head length (26.0–29.9% of standard length), upper jaw
    length (43.8–50.6% of head length), and snout length (23.0–28.6% of HL).

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