A. Bussing, Wlliam. “A New Species of Poeciliid Fish, Poeciliopsis Santaelena, from Peninsula Santa Elena, Area De Conservación Guanacaste, Costa Rica”. Revista de Biología Tropical 56, no. 2 (June 1, 2008): 829–838. Accessed May 6, 2024. https://revistas.ucr.ac.cr/index.php/rbt/article/view/5626.