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Microplastics occurrence in the Tyrrhenian waters and in the gastrointestinal tract of two congener species of seabreams
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Microplastics were found in both seawater and the gastrointestinal tracts of two commercially important Mediterranean fish species, Pagellus erythrinus and P. bogaraveo, collected from the Tyrrhenian Sea. The study highlights the prevalence of microplastic contamination in edible fish and raises concerns about human dietary exposure through seafood consumption.
In this work it is reported for the first time the characterization of microplastics from sea water samples and in two congener species of seabreams: Pagellus erythrinus and P. bogaraveo, Mediterranean fish species of great commercial importance. An experimental survey was conducted on May-June 2017 in the southernmost part of the Tyrrhenian Sea. Microplastics found in the sea water and in the grastrointestinal tract of two teleosts were characterized by Raman and IR spectroscopies. Microplastics found in sea water samples appeared in the form of fragments made of plastics of low and high density (PVC and LPDE). All the microplastics found in fish belonged to Nylon 66, typical fibers used in industry and in fisheries. Our findings highlighted the importance of further studies along the food web chain for a better understanding of the diffusion and possible consequences of this terrible threat.
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