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Do not consume a kind of imported prepackaged black grouper fillet detected with methylmercury level exceeding legal limit

  • 2025.09.05
Issue Date5.9.2025
Source of Information

Routine Food Surveillance Programme of the Centre for Food Safety (CFS)

Food Product

Black grouper fillet

Product Name and Description

Product name: Black Grouper Fillet Skinless Portion

Place of origin: Vietnam

Packing: 300 grams (5 pieces)

Importer: A-Mart Gourmet Limited

Best-before date: April 8, 2026

Reason For Issuing Alert

The CFS collected the above-mentioned sample from an online shop for testing under its routine Food Surveillance Programme. The test result showed that the sample contained methylmercury at a level of 0.83 milligram per kilogram, exceeding the legal limit of 0.5 mg per kg.

At high levels, mercury can affect foetal brain development, and affect vision, hearing, muscle co-ordination and memory in adults. Pregnant women, women planning a pregnancy and young children are particularly susceptible to the adverse effects of mercury.

Action Taken by the Centre for Food Safety

The CFS has informed the vendor concerned of the irregularity and instructed it to stop sale and remove from shelves the affected batch of the product. The distributor concerned has initiated a recall according to the CFS's instructions. The CFS is also tracing the source of the product concerned.

The CFS will alert the trade to the incident, and continue to follow up and take appropriate action. An investigation is ongoing.

Advice to the Trade

Stop using or selling the affected batch of the product immediately if in possession.

Advice to Consumers

Not to consume the affected batch of the product.

Further Information

The CFS press release

Members of the public may call the importer's hotline at 9802 9338 during office hours for enquiries about the recall.

Reposted from HKSAR Government webpage:

https://www.cfs.gov.hk/english/whatsnew/whatsnew_fa/2025_606.html