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Genetic differentiation among ten populations of the genus Neoplecostomus (Teleostei: Loricariidae) from the upper Parana River basin
(Pergamon-Elsevier B.V. Ltd, 2012-10-01)
Seven populations of the genus Neoplecostomus with undefined taxonomic status plus Neoplecostomus corumba, Neoplecostomus paranensis, and Neoplecostomus yapo were analyzed by means of allozyme electrophoresis technique. ...
Aspectos de la ecología trófica y reproductiva de Farlowella vittata (Pisces: loricariidae) en el caño pringamosal, cuenca del río güejar, Orinoquía, Colombia
(Facultad de Ciencias Básicas y TecnologíasCiencias Básicas y Tecnologías - Biología, 2009-10-14)
Se estudiaron aspectos de la ecología trófica y reproductiva de Farlowella vittata,
en el caño Pringamosal, afluente al río Güejar, Orinoquia, Colombia. Se realizaron
cuatro salidas de campo, que abarcan las dos épocas ...
Estudos evolutivos em Loricariidae (Ostariophysi: Siluriformes)
(Universidade Estadual Paulista (Unesp), 2016-07-27)
O principal objetivo desse estudo é estimar uma filogênia molecular de Hypostominae, um grande grupo de bagres que está amplamente distribuído sobre a América do sul, para estimar a origem de seus maiores clados no tempo ...
New species of the Pseudancistrus barbatus group (Siluriformes, Loricariidae) with comments on its biogeography and dispersal routes
(Pensoft Publ, 2014-01-01)
A new species of Pseudancistrus is described from the Tapajos Basin, and assigned to the P. barbatus group by having hypertrophied odontodes along the snout and lacking evertible cheek plates. The new species is distinguished ...
Description of two new species of Hisonotus Eigenmann & Eigenmann, 1889 (Ostariophysi, Loricariidae) from the rio Parana-Paraguay basin, Brazil
(Pensoft Publ, 2014-01-01)
Two new species of Hisonotus are described from the rio Parana-Paraguay basin in Brazil. The most remarkable features of the new species are the odontodes forming longitudinally aligned rows (one odontode after the other, ...
Rhinolekos capetinga: a new cascudinho species (Loricariidae, Otothyrinae) from the rio Tocantins basin and comments on its ancestral dispersal route
(Pensoft Publ, 2015-01-01)
The present study deals with the description of a new species of Rhinolekos. It can be distinguished from its congeners by having 31 vertebrae, the anterior portion of the compound supraneural-first dorsal-fin proximal ...
A new species of Hisonotus (Siluriformes, Loricariidae) from rio Sao Francisco basin, Brazil
(Pensoft Publ, 2015-01-01)
A new species of Hisonotus is described from the rio Sao Francisco basin. The new species can be distinguished from congeners by having (1) a unique coloration pattern of caudal fin with one black spot extending from its ...