Could you spot the fish fake? Test your seafood fraud detective skills in our quiz

A Guardian analysis this week exposed the vast scale of fish mislabelling. Can you name these repeat offenders?This is often sold as red snapper. What is it really?TroutMahi mahiTilapiaSwordfishYou order delicious grouper but what is this common substitute?CatfishGiant tiger prawnCodSea bass"White tuna" is frequently on the menu, yet does not actually exist. What is this fish that's used as a stand-in?GuppyMonkfishSpiny dogfishButterfishThis fish is often slipped on to plates as the prized bluefin tuna. What is it really?MackerelSkipjack tunaParrot fishAnchovyHake is an increasingly popular fish prized for its flaky white flesh, but in shops and restaurants you might get fillets of this fish instead. What is it really?HokiBarramundiCuttlefishDover soleSurely you're safe with cod - everyone knows what that tastes like, right? But studies show it's often swapped for this in fish and chips - what is it?Conger eelJohn DoryPikeHaddockAnd if you're in the US and you order haddock, what is this fish that could be hiding under your batter instead?SalmonSpratAmerican soleWhitebait7 and above.fish0 and above.fish4 and above.fish Continue reading...