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1 December 2005 New Species of Creagrutus (Teleostei: Characiformes: Characidae) from the Rio Magdalena Basin, Colombia
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Abstract

A new species of Creagrutus from the Rio Magdalena basin, Colombia, is described. This species is distinguished from all congeners by a combination of morphometric, meristic, and morphological features. The species is the first member of the genus known to have breeding tubercles with keratinized caps. The phylogenetic position of the new species and various aspects of its ecology and behavior are discussed.

Es descrita una nueva especie de Creagrutus de la cuenca del Rio Magdalena, Colombia. Ésta especie se distingue de sus congéneres por su combinación de caracteristicas morfométricas, meristicas y morfológicas. Ésta es la primera especie de Creagrutus en la que se hayan observado tubérculos reproductivos con casquetes queratinizados. Se discute la posición filogenética de la nueva especie y se comentan varios aspectos de su ecologia y comportamiento.

The American Society of Ichthyologists and Herpetologists
Mauricio Torres-Mejia and Richard P. Vari "New Species of Creagrutus (Teleostei: Characiformes: Characidae) from the Rio Magdalena Basin, Colombia," Copeia 2005(4), (1 December 2005). https://doi.org/10.1643/0045-8511(2005)005[0812:NSOCTC]2.0.CO;2
Accepted: 13 August 2005; Published: 1 December 2005
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