A rare red tide phenomenon has been observed at Mun Beach in Tho Chau island commune, Phu Quoc City, causing seawater to change from blue to red and spreading over more than 1,000 square meters.
Do Van Dung, Chairman of the People’s Committee of Tho Chau commune, confirmed this unprecedented event, noting that it is the first such occurrence in the past 30 years since the re-establishment of the commune in 1993.
Residents reported that the phenomenon began around 10 a.m. on June 12, starting in an area of about 200-300 square meters before expanding. Experts believe this is likely a red tide, also known as an algal bloom, which depletes oxygen in the water and can lead to fish deaths.
Shortly after the seawater turned red, several small fish were found dead and washed ashore.
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Source: Vietnam Insider