The Sulu Archipelago, which represents the BaSulTa (Basilan, Sulu, and Tawi-Tawi) provinces of the BARMM region, is renowned for its rich coral reef biodiversity. The archipelago itself is located right at the heart of the Coral Triangle, the global epicenter of coral reef biodiversity. This study showcases the diverse coral reef fishes in Southern Sulu Archipelago. Our findings are based on extensive underwater surveys conducted in the southern part of the archipelago. We have also incorporated insights and knowledge from relevant published literature to enhance our understanding. The study further presents the various challenges and threats both natural and anthropogenic, confronting these valuable resources. Lastly, we also share some insights from the conservation initiatives done in the archipelago. By recognizing the value of coral reefs as key contributors to local livelihoods and economic prosperity and as a national heritage, the study underscores the imperative of prioritizing their protection and sustainable use.


Dr. Richard N. Muallil is an esteemed marine scientist with expertise in coastal resource management, marine protected areas, and small-scale fisheries. Currently, he serves as a professor at the Institute of Oceanography and Environmental Science (IOES) and holds the esteemed position of Director at the Office of Continuing Education and Extension Services (OCEANeS) of the Mindanao State University – Tawi-Tawi College of Technology and Oceanography (MSU TCTO). Dr. Muallil’s extensive contributions extend beyond academia. He actively contributes to the field as a member of the scientific advisory group of Fisheries Management Areas 3 and 4 of the Bureau of Fisheries and Aquatic Resources (BFAR). Furthermore, he is a member of the National Panel of Technical Experts of the esteemed Climate Change Commission. Recognized for his exceptional work, Dr. Muallil has garnered numerous prestigious awards throughout his career. In 2016, he received the Outstanding Young Scientists (OYS) award from the DOST-National Academy of Science and Technology, and the Ten Outstanding Young Men of the Philippines (TOYM) award from the Gerry Roxas Foundation and JCI Philippines. In 2022, he was honored with the Lifetime Achiever award by the DOST-National Research Council of the Philippines. Notably, he was also acknowledged as the most outstanding PhD graduate and received the esteemed Dr. Edgardo Gomez award from the College of Science at the University of the Philippines Diliman in 2016.

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