Chippies sell catfish as 'traditional fish supper' 11 hours ago Daniel O'Donoghue and William Higgens, North West Investigations BBC A type of tropical freshwater catfish found on sale in the north-west of England is usually farmed and imported from South East Asia and is markedly cheaper than cod Rogue chip shops have been passing off catfish as "traditional fish and chips" to cut down on costs, the BBC has learned. Cases of fish being mis-sold or misdescribed are often hard to detect since any investigations are intelligence-led and rely on expensive DNA testing. A BBC North West investigation found a catfish species, known as pangasius or river cobbler, being sold in the region's chippies without customers being fully aware of what they were buying. The Chartered Trading Standards Institute said that while the mis-selling or misdescription of fish was not a widespread issue it acknowledged "there are still some unscrupulous businesses". Are you being catfished by your chippy tea?…