James, R. and Sampath, K. (2011) “Effect of animal and plant protein diets on growth and reproductive performance in an ornamental fish, Xiphophorus helleri”, Indian Journal of Fisheries, 51(1), pp. 75–86. Available at: https://epubs.icar.org.in/index.php/IJF/article/view/7168 (Accessed: 26 July 2026).