Trophic ecology of Brycon henni (Pisces: Characidae) in the Portugal de Piedras river, upper Cauca basin, Colombia Journal title: Revista MVZ Cordoba Authors: Alvaro Botero-Botero, M.Sc *| Universidad Nacional Experimental de los Llanos “Ezequiel Zamora” - UN... Subject(s): Medicine, Agricultural Science, Biotechnology, Cellular Biology, Biomedical Engineering