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A new species of Microglanis (Siluriformes: Pseudopimelodidae) from upper rio Paraná basin, Brazil Neotropical Ichthyology
Shibatta,Oscar Akio; Benine,Ricardo Cardoso.
Microglanis garavelloi, new species, collected in tributaries of rio Paranapanema and rio Tietê, is the first species of the genus described from upper rio Paraná basin. The new species can be distinguished from other species of Microglanis on morphometric characters, color pattern, caudal-fin shape, pectoral-spine morphology and lateral line development. Characters used specifically to distinguish M. garavelloi from M. cottoides (laguna dos Patos and rio Uruguay basins) and M. parahybae (rio Paraíba do Sul basin) include morphometrics, color pattern and pectoral-spine serration.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bumble bee catfish; Freshwater fishes; Neotropical; Rio Paranapanema; Rio Tietê.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252005000400015
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New species of the Corumbataia cuestae group (Siluriformes: Loricariidae) from the Rio Tocantins basin, with comments on its phylogenetic relationships Neotropical Ichthyology
Thimotheo,Mateus Giovanni Rocha; Benine,Ricardo Cardoso; Oliveira,Claudio; Silva,Gabriel de Souza da Costa e.
Abstract A new species of Corumbataia is described from Rio Maranhão, Rio Tocantins basin, central Brazil. The new species is distinguished from all congeners by the presence of a small, naked area on snout tip; by having the abdomen covered with small platelets forming a shield which reaches the lateral mid-ventral plates; by the anterior profile of the head rounded in dorsal view; by the lower lip not reaching the transversal line of the pectoral girdle; and by the presence of 28 or 29 vertebrae. High genetic divergence in mitochondrial cytochrome c oxidase subunit I (COI) further supports the validity of this new species. Our phylogenetic analysis shows a derived subclade in Corumbataia, herein named as the Corumbataia cuestae group, composed of the new...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cytochrome C Oxidase; Diversity; Freshwater fishes; Hypoptopomatinae; Central Brazil.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252020000400207
Registros recuperados: 2
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