Plamoottil, M. “Mystus Catapogon, a New Catfish (Siluriformes: Bagridae) Species from Kerala, India”. Journal of Research in Biology, Vol. 6, no. 2, Feb. 2016, pp. 1967-76, https://ojs.jresearchbiology.com/ojs1/index.php/jrb/article/view/412.