Shellfishes collected and tested from coastal waters of Dauis and Tagbilaran City in Bohol; San Pedro Bay in Samar; Dumanquillas Bay in Zamboanga del Sur; and Lianga Bay in Surigao del Sur are still positive for Paralytic Shellfish Poison (PSP) or toxic red tide is beyond the regulatory limit.

Bureau of Fisheries and Aquatic Resources, Shellfish Bulletin No.12, Series of 2023, 05 May 2023. (2023, May 9). Philippine Daily Inquirer, p. A5.