A new Hypostomus from the middle & upper Rio Tocantins

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A new Hypostomus from the middle & upper Rio Tocantins

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Zawadzki, C.H., Penido, I.S., Pessali, T.C., & P.H.F. Lucinda. (2024). A new blunt-headed species of Hypostomus (teleostei: loricariidae) from the Rio Tocantins basin. Ichthyological Exploration of Freshwaters, 1194, 10pp. First published 22 January 2024.
https://doi.org/10.23788/IEF-1194
https://pfeil-verlag.de/publikationen/a ... ins-basin/
ABSTRACT
A new species of
Hypostomus
with blunt head is described from the medium and upper portions of the Rio Tocantins basin in Central Brazil. The new species inhabits rocky-bottom, small to large rivers of the Rio Tocantins basin and reaches moderate full size. The new species can be distinguished from all its congeners mainly by having teeth crowns with ellipsoidal medial cusp, deep and moderate body size, large eyes, absence of keels on lateral series of plates, large and faded dark blotches over a clearer body background, and by having a flap-shaped median buccal papilla.
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