This paper reports a large survey of tuna species, especially the mislabelling of bluefin tuna, by following tuna supply chain from the wholesale fish market to retail and catering outlets in Catalonia over a period of one year. Samples were also taken from two other major Spanish fish wholesale markets. The survey revealed widespread mislabelling. The paper calls for better enforcement and consumer education to improve the situation.
Read the article at: Tuna substitution in Catalonia
