Degani, Gad, and Yehuda Yehuda. “Effects of Diets on Reproduction of Angelfish, Pterophyllum Scalare (Cichlidae)”. Indian Journal of Fisheries 43, no. 2 (September 12, 2011): 121–126. Accessed June 19, 2026. https://epubs.icar.org.in/index.php/IJF/article/view/8929.