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Description of a new species of Parotocinclus (Siluriformes, Hypoptopomatinae) from the rio Tapajos basin.


ABSTRACT: A new species of Parotocinclus is described from three small tributaries of the rio Tapajós basin, Mato Grosso State, Brazil. The new species can be distinguished from its congeners by presenting the following characters: (1) a triangular dark blotch at the anterior base of the dorsal fin, (2) the absence of an adipose fin but presence of one small platelet at typical adipose-fin region, (3) the abdomen completely covered by dermal plates, (4) a pectoral girdle totally exposed, (5) a single series of bicuspid teeth, and (6) the higher number of bicuspid premaxillary and dentary teeth.

SUBMITTER: Roxo FF 

PROVIDER: S-EPMC5126534 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Description of a new species of <i>Parotocinclus</i> (Siluriformes, Hypoptopomatinae) from the rio Tapajós basin.

Roxo Fábio F FF   Silva Gabriel S C GS   Oliveira Claudio C  

ZooKeys 20161121 634


A new species of <i>Parotocinclus</i> is described from three small tributaries of the rio Tapajós basin, Mato Grosso State, Brazil. The new species can be distinguished from its congeners by presenting the following characters: (1) a triangular dark blotch at the anterior base of the dorsal fin, (2) the absence of an adipose fin but presence of one small platelet at typical adipose-fin region, (3) the abdomen completely covered by dermal plates, (4) a pectoral girdle totally exposed, (5) a sing  ...[more]

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