Researchers from the University of Adelaide found meat from four threatened species, including the shortfin mako shark and smooth hammerhead, being sold as 'flake' in some takeaways in South Australia.
The study analysed the DNA of fillets from more than 100 retailers across Adelaide and regional areas of South Australia, and found nine different types of species being sold under the term.
Among them were threatened species, including the shortfin mako shark and the smooth hammerhead, while some were sharks not found in Australian waters, the study found. "Only 27 per cent of all samples were identified as gummy shark, a species that has a sustainable population, and is one of only two species that is recommended to be labelled as flake in Australia," said Ashleigh Sharrad, the lead author and a researcher from the University of Adelaide's School of Biological Sciences.
"Our results highlight the need for clearer national guidelines or labelling laws for shark fillets."Of all the flake samples analysed, only one in 10 retailers could correctly identify the type of fish being sold.Advertisement Professor Bronwyn Gillanders, from the University of Adelaide, said:"Food fraud in the seafood industry is a growing concern and mislabelling may occur. It can have potential implications on human health, the economy, and species conservation."
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