A new species of Knodus Eigenmann (Characiformes: Characidae: Stevardiinae) with comments on nuptial tubercles and gill gland in characiform fishes.

A new species of Knodus Eigenmann (Characiformes: Characidae: Stevardiinae) with comments on nuptial tubercles and gill gland in characiform fishes.

Knodus nuptialis n. sp. is described from the Rio Curuá drainage, Rio Xingu basin, Brazil. It can be diagnosed from its congeners by having dentary teeth decreasing gradually in size posteriorly, outer premaxillary teeth row with five cusps, 12-15 branched anal-fin rays and a single humeral spot. Th...

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Bibliographic Details
Main Authors:	Naércio A Menezes, Manoela M F Marinho
Format:	Article
Language:	English
Published:	Public Library of Science (PLoS) 2019-01-01
Series:	PLoS ONE
Online Access:	https://doi.org/10.1371/journal.pone.0217915

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