Velez Espino, L.A. 2006. Distribution and habitat suitability index model for the Andean catfish Astroblepus ubidiai (Pisces: Siluriformes) in Ecuador. Revista de Biología Tropical. 54, 2 (Jun. 2006), 623–638. DOI:https://doi.org/10.15517/rbt.v54i2.13937.