Discount chain Aldi is now the largest retailer of seafood in the United Kingdom, knocking supermarket giant Tesco off the number one spot.

The discounter now has the largest market share in terms of total seafood volumes sold, according to NielsenIQ ScanTrack data provided by UK seafood trade association Seafish.

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In the 52-week period through December, Aldi grew its market share to 20.1