Sukumaran, K K, and B Neelakantan. 2011. “Age and Growth in Two Marine Portunid Crabs, Portunus (Portunus) Sanguinolentus (Herbst) and Portunus (Portunus) Pelagicus (Linnaeus) Along the Southwest Coast of India”. Indian Journal of Fisheries 44 (2): 111-31. https://epubs.icar.org.in/index.php/IJF/article/view/8855.