New species of miniature fish from Marajó Island, Pará, Brazil, with comments on its relationships (Characiformes: Characidae)

A new miniature species of the family Characidae from Marajó Island, Pará State, Brazil is described and assigned to the genus Tyttobrycon. The new species can be distinguished from its congeners primarily by having multicuspid teeth on jaws, and additionally by having the combination of 5-7 premaxillary teeth, dorsal fin only with scattered melanophores and the presence of an adipose fin.

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Bibliographic Details
Main Authors: Marinho,Manoela M. F., Bastos,Douglas A., Menezes,Naércio A.
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Ictiologia 2013
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000400739
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Description
Summary:A new miniature species of the family Characidae from Marajó Island, Pará State, Brazil is described and assigned to the genus Tyttobrycon. The new species can be distinguished from its congeners primarily by having multicuspid teeth on jaws, and additionally by having the combination of 5-7 premaxillary teeth, dorsal fin only with scattered melanophores and the presence of an adipose fin.