Based on the latest laboratory results of the Bureau of Fisheries and Aquatic Resources (BFAR) and Local Government Units (LGUs), shellfishes collected at coastal waters of Bataan (Mariveles, Limay, Orion, Pilar, Balanga, Hermosa, Orani, Abucay and Samal); coastal waters of Dauis and Tagbilaran City in Bohol; coastal waters of Biliran Island; coastal waters of Daram Island, Maqueda, Cambatutay, Irong-Irong, and San Pedro Bays in Western Samar; Cancabato Bay, Tacloban City in Leyte; Matarinao Bay in Eastern Samar; Dumanquillas Bay in Zamboanga del Sur; coastal waters of Baroy in Lanao del Norte; and Lianga Bay in Surigao del Sur are still positive for Paralytic Shellfish Poison (PSP) or toxic red tide that is beyond the regulatory limit. Moreover, coastal waters of Guiuan in Eastern Samar are now positive for the red tide toxin.

Bureau of Fisheries and Aquatic Resources, Shellfish Bulletin No. 31, Series of 2021, 19 November 2021. (2021, November 21). The Philippine Star, p. B3.