Hypostomus robertsoni, new species from the Upper Parana

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Hypostomus robertsoni, new species from the Upper Parana

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Dias AC, Zawadzki CH. (2021). Hypostomus hermanni redescription and a new species of Hypostomus (Siluriformes: Loricariidae) from Upper Paraná River basin, Brazil. Neotrop Ichthyol.,19(2):e200093. https://doi.org/10.1590/1982-0224-2020-0093

https://www.ni.bio.br/1982-0224-2020-0093/
A redescription of Hypostomus hermanni is presented herein along with the description of a new species of Hypostomus, which is apparently endemic to the Ivaí River basin, a tributary of the Upper Paraná River basin, Brazil. Hypostomus hermanni is diagnosed from congeners mainly by having: usually large black blotches on body and fins; absence of keels on compound pterotic, on pre-dorsal plates, and on lateral series of bony plates; by having parieto-supraoccipital and predorsal region flat; and by having less than 46 teeth per each premaxilla or dentary ramus. The new species is distinguished from congeners mainly for lacking conspicuous blotches, parieto-supraoccipital non-carinate, and villiform bicuspid teeth.
Keywords: Armored catfishes, Hypostomini, Hypostominae, Neotropical fishes, Taxonomy.

Hypostomus robertsoni, new species
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