Vertebrate Zoology 62(3): 357-362, doi:
A new species of the catfish genus Trichomycterus (Teleostei: Siluriformes: Trichomycteridae) from the rio Paraná basin, southeastern Brazil
expand article infoMaria Anaïs Barbosa, V. M. Azevedo-Santos

Corresponding author: Maria Barbosa ( anaisbarbosa@yahoo.com.br )

© Maria Barbosa, V. Azevedo-Santos.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation: Barbosa MA, Azevedo-Santos VM (2012) A new species of the catfish genus Trichomycterus (Teleostei: Siluriformes: Trichomycteridae) from the rio Paraná basin, southeastern Brazil. Vertebrate Zoology 62(3): 357-362
Open Access
Abstract
A new species of the catfish genus Trichomycterus is described from tributaries of the upper rio Grande, rio Paraná basin, southeastern Brazil. Trichomycterus pirabitira new species is diagnosed by the morphology of the metapterygoid and the caudal fin, and number of vertebrae, branchiostegal rays and interopercular odontodes, relative position of the dorsal, anal, and pelvic fins, head length, and body width. The new species seems to be closely related to the species of the T. brasiliensis complex by having the oblique arrangement of opercular odontodes described for the group.
Keywords
Catfishes, Loricarioidea, Neotropical ichthyofauna, new species, systematics, taxonomy, Trichomycteridae