‘Skimpflation’ warning as tinned mackerel alternative hits more supermarket shelves BBCUK canned ‘mackerel’ now contains no mackerel Financial TimesExtra fishy: your tinned mackerel may not be what you think it is The GuardianMost supermarket tins of mackerel don’t contain real mackerel thetimes.comUK tinned ‘mackerel’ no longer contains mackerel The Independent