1. Biology Department, College of Arts, Sciences and Education, Trinity University of Asia, Quezon City 1112, Philippines
2. Institute of Biology, College of Science, University of the Philippines, Diliman, Quezon City 1101, Philippines
3. Natural Sciences Research Institute, University of the Philippines, Diliman, Quezon City 1101, Philippines
4. Aquaculture Department, Southeast Asian Fisheries Development Center, National Highway, Tigbauan, Iloilo 5021, Philippines