Ortaz, Mario, Pablo Borjas von Bach, and Rubén Candia. “The Diet of the Neotropical Insectivorous Fish Creagrutus Bolivari (Pisces: Characidae) According to the “graphic” and ‘relative importance’ Methods”. Revista de Biología Tropical 54, no. 4 (April 1, 2014): 1227–1239. Accessed March 28, 2023. https://revistas.ucr.ac.cr/index.php/rbt/article/view/14105.