Extra fishy: your tinned mackerel may not be what you think it is

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How it spread - 1 original report

1. Fri, 11 September 2026

   1 report
   • The Guardian World15:59first to report
     Extra fishy: your tinned mackerel may not be what you think it is

     Substitution with jack mackerel, a different species, because of dwindling stocks is criticised by the consumer group Which? If you’ve recently opened a tin of mackerel and thought there was something fishy going on, you may have been right. An overfishing crisis means that instead of traditional mackerel, some now contain a different fish with a similar name, prompting concerns that shoppers are being short-changed. Over the past year big brands such as Princes, as well as some supermarket...