Institute of Tropical Aquaculture and Fisheries 1 article published in JoVE Biology Eyestalk Ablation to Increase Ovarian Maturation in Mud Crabs Mohammad Asmat-Ullah1, Rusydi Rozaimi1, Hanafiah Fazhan1,2,3, Alexander Chong Shu-Chien2,4, Youji Wang5, Khor Waiho1,2,3 1Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries, Universiti Malaysia Terengganu, 2Centre for Chemical Biology, Universiti Sains Malaysia, 3Department of Aquaculture, Faculty of Fisheries, Kasetsart University, 4School of Biological Sciences, Universiti Sains Malaysia, 5International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University Two eyestalk ablation protocols (i.e., cauterization and surgery approaches) were performed on anesthetized female crabs. The eyestalk ablation of mud crabs hastened the ripening of ovaries without decreasing the survival rate.