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Fishermen on a trawler in Cornwall (Image: GETTY)
He said: The two species are particularly under-loved in this country but really popular with some of our export markets.
Following consultations with chefs and shoppers, the CFPO decided to pursue the name changes as a quick and easy way to make the products more appealing.
Mr Trebilcock said: Our investigation revealed that simply by calling it Cornish sole, straight away more people were willing to try it and were more interested in finding out where it came from.
Brexit end game (Image: EXPRESS)
In 2007 Marks & Spencer reported a boom in sales of fresh pilchards after they were renamed Cornish sardines.