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Story summary
- Sainsbury’s Taste the Difference albacore tuna ranks best overall in the UK review.
- Co-op responsibly sourced tuna chunks in brine earn the best bargain label.
- The Marine Conservation Society’s Good Fish Guide rates pole-and-line catch as most sustainable for tuna.
- Most reviewed tuna cans carry Marine Stewardship Council certification.
- FAD-free purse-seine fishing lowers by-catch compared with standard purse-seine nets.
