Moenkhausia hemigrammoides Géry, 1965 (Characidae, Stethaprioninae) in Colombia: new records and comments on morphology by Alejandro Méndez-López, Alexander Urbano-Bonilla

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Ecological aspects of Lebiasina erythrinoides (Characiformes: Lebiasinidae) from an andean piedmont stream in Colombia by Javier Alejandro Maldonado Ocampo, Alexander Urbano Bonilla, Jhon Zamudio

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A new species of Chrysobrycon Weitzman & Menezes, 1998 (Characiformes, Characidae, Stevardiinae) with remarkable sexually dimorphic pigmentation from the upper Río Vaupés b... by James Anyelo Vanegas-Ríos, Alexander Urbano-Bonilla, Gian Carlo Sánchez-Garcés

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A new species of Loricaria (Loricariidae: Loricariinae) from the upper Amazon River basin, Colombia by Alejandro Londoño-Burbano, Alexander Urbano-Bonilla, Matthew R. Thomas, Marcelo R. Britto

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Peces de la cuenca del río Pauto, Orinoquia colombiana by Javier A. Maldonado-Ocampo, Alexander Urbano-Bonilla, José Vicente Preciado, Juan D. Bogotá-Gregory

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Peces del piedemonte del departamento de Casanare, Colombia by Alexander Urbano-Bonilla, John Zamudio, Javier Alejandro Maldonado-Ocampo, Juan David Bogotá-Grégory, Gilberto Augusto Cortes-Millán, Yesid López, Alexander Urbano-Bonilla, John Zamudio, Javier Alejandro Maldonado-Ocampo, Juan David Bogotá-Grégory, Gilberto Augusto Cortes-Millán, Yesid López

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Fishes (Actinopterygii) of the rapids and associated environments in the lower Vaupés River Basin: an undiscovered Colombian Amazon diversity by Alexander Urbano-Bonilla, Jorge E. Garcia-Melo, Mateo Esteban Peña-Bermudez, Omar Eduardo Melo-Ortiz, Oscar Stiven Ordoñez, Sandra Bibiana Correa, Tiago P. Carvalho, Javier A. Maldonado-Ocampo

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