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Story summary
- Supermarkets such as Tesco, Sainsbury’s and Lidl have replaced Atlantic mackerel in tins with Chilean jack mackerel.
- Overfishing has kept North-East Atlantic mackerel catches 39% above limits for 15 years, prompting a 77% cut.
- DEFRA amended labeling rules to permit the fish to be marketed simply as “jack mackerel”.
- Consumer groups like Which? call the switch “skimpflation”, saying shoppers pay similar prices for half the omega-3s.
