Zacharia, P. U., et al. “First Record of the Pelagic Stingray Pteroplatytrygon Violacea (Boneparte, 1832) (Family: Dasyatidae) from the East Coast of India”. Indian Journal of Fisheries, vol. 58, no. 1, June 2011, pp. 95-98, https://epubs.icar.org.in/index.php/IJF/article/view/6653.