Philippine Red Tide Monitoring & Advisory System (PRTMAS)

Paralytic Shellfish Poisoning (PSP) & Algal Bloom Warning

Based on BFAR Shellfish Bulletin No. 22 (Series of 2026), all types of shellfish and Acetes sp. (alamang) gathered from positive bays are NOT SAFE for human consumption. Finfish, squids, shrimps, and crabs are edible only if fresh, washed thoroughly, and internal organs removed.

Official BFAR Portal

Monitored Zones

Nationwide coastal check

Active Red Tide

Harvesting ban enforced

Safe / Clear Bays

Safe for consumption

Reference Source

Bulletin No. 22

Series of 2026

Interactive Philippine Red Tide Map

Geographic distribution of active red-tide advisories and cleared coastal areas across Luzon, Visayas, and Mindanao.

Active Toxic Zone Safe / Free Zone

Luzon Region All Clear

Manila Bay (NCR/Cavite) 🟢 Safe

Coastal Waters of Bataan 🟢 Safe

Zambales & Masinloc Bay 🟢 Safe

Bulacan & Pampanga 🟢 Safe

No active toxic red tide advisories across major Luzon bays.

Visayas Region Active Warnings

Matarinao Bay (Eastern Samar) 🔴 Toxic

South Bais Bay (Negros Or.) 🔴 Toxic

Cancabato Bay, Tacloban 🔴 Toxic

Strict shellfish bans enforced in Eastern Samar and Leyte shelves.

Mindanao Region Active Warnings

Dumanquillas Bay (Zambo. Sur) 🔴 Toxic

Tantanang Bay (Zambo. Sibugay) 🔴 Toxic

Lianga Bay (Surigao del Sur) 🔴 Toxic

PSP toxin concentrations exceed regulatory safety thresholds.

Data synced with BFAR Shellfish Bulletin No. 22 (2026) Lat/Long Spatial Matrix: Active

Harmful Algal Bloom (HAB) & Safety Guide

Key precautions recommended by health and fisheries experts regarding toxic red tide ingestion.

Prohibited Shellfish & Alamang

Do not harvest, buy, or consume mussels, oysters, clams, and Acetes sp. (alamang) originating from waters flagged with active red tide.

Finfish Preparation

Fish, squids, crabs, and shrimps are safe to eat provided they are thoroughly fresh, washed in clean water, and all internal organs (gills and intestines) are removed.

Official Bulletins

Always check weekly bulletins released directly by the DA-BFAR Fisheries Inspection and Quarantine Division for the most authoritative status updates.