Chumphon fish kill: Algal bloom, low oxygen trigger probe

Khaosod•Politics•11d ago

Reader Briefing

Minister Suchart inspects Chumphon's Takua Pao Estuary following a fish kill incident, identifying algal bloom and critically low oxygen levels as likely causes.

•Minister of the Ministry of Natural Resources and Environment, Suchart Chomklin, ordered an intensive investigation into the fish deaths at Takua Pao Estuary, Chumphon.
•The incident occurred on June 2, 2026, with findings indicating a significant bloom of diatoms and extremely low dissolved oxygen levels.
•The Department of Marine and Coastal Resources is assessing the causes, impacts, and developing prevention strategies for marine resources and aquaculture.

Overview

•On June 2, 2026, Minister Suchart Chomklin ordered an investigation into the fish deaths.
•The Department of Marine and Coastal Resources is inspecting the Takua Pao Estuary in Chumphon after fish deaths were reported.
•Initial surveys indicate a large bloom of diatoms, such as Pseudo-nitzschia spp., which can cause discolored water.
•Dissolved oxygen levels in the water were found to be critically low, with readings as low as 3.95 mg/L near fish cages.
•Phytoplankton density reached an average of 13,430 cells/L for Pseudo-nitzschia spp., exceeding the threshold for discoloration events.
•Low oxygen levels are a significant factor affecting marine life and contributing to the fish kill in the area.
•Aquaculture, specifically sea bass farming in cages, has been affected, with a number of fish dying.
•The Department of Marine and Coastal Resources is working to assess impacts and develop prevention strategies.
•Discolored water and fish deaths are linked to dense phytoplankton blooms and resulting oxygen depletion.

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Key Entities

Person

Suchart Chomklin(สุชาติ ชมกลิ่น)

Minister of the Ministry of Natural Resources and Environment (รมว.ทส.) who ordered an investigation into fish deaths.

Organization

Department of Marine Resources(กรมทะเล)

Abbreviation for the Department of Marine and Coastal Resources (ทช.), tasked with investigating fish deaths and water quality.

Department of Marine and Coastal Resources(กรมทรัพยากรทางทะเลและชายฝั่ง)

The government body responsible for investigating the ecological incident and assessing impacts.

Central Gulf of Thailand Marine and Coastal Resources Research Center(ศูนย์วิจัยทรัพยากรทางทะเลและชายฝั่งอ่าวไทยตอนกลาง)

A research center under the Department of Marine and Coastal Resources that conducted the initial survey.

Place

Takua Pao Estuary(ปากน้ำตะโก)

The location in Chumphon Province where fish deaths and water discoloration were observed.

Chumphon Province(จ.ชุมพร)

The province in Thailand where the Takua Pao Estuary and the fish kill incident occurred.