Extension of geographic distribution of Chrysobrycon hesperus and C. myersi (Characiformes, Characidae, Stevardiinae) for several drainages flowing into the Amazon River Basin in Peru and Colombia

The geographic distribution of Chrysobrycon hesperus (Böhlke) and C. myersi Weitzman and Menezes is extended to new localities from the upper Amazon Basin in Peru and Colombia. Chrysobrycon hesperus is recorded for the first time for the Putumayo River Basin in Colombia.

ResumenSe amplía la distribución geográfica de Chrysobrycon hesperus (Böhlke) y C. myersi Weitzman y Menezes para nuevas localidades de la cuenca alta del Amazonas en Perú y Colombia. Chrysobrycon hesperus se registra por primera vez para la cuenca del río Putumayo en Colombia.