A. Ortega-Salas, A., I. Cortés G., and H. Reyes-Bustamante. “Fecundity, Growth, and Survival of the Angelfish Pterophyllum Scalare (Perciformes: Cichlidae) under Laboratory Conditions”. Revista De Biología Tropical, vol. 57, no. 3, Sept. 2009, p. 741−747, doi:10.15517/rbt.v57i3.5488.