A new tiny-spotted species of Hypostomus (Siluriformes: Loricariidae) from the upper Rio Tocantins basin, Goiás State, Brazil
Author:
PENIDO IAGO DE SOUZAORCID, PESSALI TIAGO CASARIMORCID, ZAWADZKI CLÁUDIO HENRIQUEORCID
Abstract
Scientific visits to ichthyological collections revealed a potentially new species of Hypostomus from the Rio Tocantins basin. From there, subsequent ichthyological surveys led us to capture the taxon in the upper portion of this basin and address it to the H. punctatus group. Here, we present it as a new species to science. The new species is distinguished from its congeners, except those from the H. punctatus group, by having bicuspid teeth with elliptic medial cusps, moderate keels on the head and flanks, small spots on the body, and caudal peduncle that are long and low. From the H. punctatus group, except H. subcarinatus and H. commersoni, it differs by having extremely small dark spots; from H. subcarinatus, it differs by having a beige-brown dorsal-fin background color versus blue in live specimens; and from H. commersoni, it differs by having a short to moderate dorsal fin versus a long dorsal fin.
Subject
Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics
Reference24 articles.
1. Abell, R., Thieme, M.L., Revenga, C., Bryer, M., Kottelat, M., Bogutskaya, N., Coad, B., Mandrak, N., Balderas, S.C., Bussing, W., Stiassny, M.L.J., Skelton, P., Allen, G.R., Unmack, P., Naseka, A., Ng, R., Sindorf, N., Robertson, J., Armijo, E., Higgins, J.V., Heibel, T.J., Wikramanayake, E., Olson, D., López, H.L., Reis, R.E., Lundberg, J.G., Sabaj Pérez, M.H. & Petry, P. (2008) Freshwater ecoregions of the world: a new map of biogeographic units for freshwater biodiversity conservation. Bioscience, 58 (5), 403–414. https://doi.org/10.1641/B580507 2. ANA (2015) Conjuntura dos recursos hídricos no Brasil: regiões hidrográficas brasileiras—Edição Especial. ANA, Brasília, 163 pp. 3. Armbruster, J.W., Tansey, L.A. & Lujan, N.K. (2007) Hypostomus rhantos (Siluriformes: Loricariidae), a new species from southern Venezuela. Zootaxa, 1553 (1), 59–68. https://doi.org/10.11646/zootaxa.1553.1.3 4. Boeseman, M. (1968) The genus Hypostomus Lacépède, 1803, and its Surinam representatives (Siluriformes, Loricariidae). Zoologische Verhandelingen, 99, 1–89. 5. Cardoso, Y.P., Brancolini, F., Protogino, L., Paracampo, A., Bogan, S., Posadas, P. & Montoya-Burgos, J.I. (2019) An integrated approach clarifies the cryptic diversity in Hypostomus Lacépède 1803 from the Lower La Plata Basin. Anais da Academia Brasileira de Ciências, 91 (2), e20180131. https://doi.org/10.1590/0001-3765201920180131
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