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This is one of a series of guides in which Seafish explores topical issues affecting the UK seafood industry. Here we look at how DNA testing is being used by the seafood supply chain, what it can detect, where DNA analysis is carried out and the development of comprehensive DNA databases.

Seafood businesses operate in a complex marketplace where the motives and opportunity for criminal activity are manifest and ever-present – in other words; seafood is traded within a heavily risk-laden landscape. This briefing note aims to provide information on the nature of food fraud risks in seafood supply chains and outlines some useful counter-measures that may be deployed to reduce those risks..