Ingestion of prey intensifies microplastic load in Mediterranean commercial fish

Microplastic in fish – A global synthesis

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A global synthesis of microplastic ingestion data from marine, freshwater, and estuarine fish found that 49% of sampled fish worldwide had ingested plastic, averaging 3.5 pieces per fish, with freshwater fish and those from aquaculture sources showing higher ingestion rates than wild marine fish. This comprehensive analysis reveals that microplastic contamination of fish — a primary human protein source globally — is now the rule rather than the exception, underscoring urgent risks to food safety.

Preliminary Assessment of Microplastic Accumulation in Wild Mediterranean Species

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Wild Mediterranean marine species show measurable microplastic accumulation, reflecting the basin's disproportionately high contamination relative to global averages. These findings highlight the ecological risk microplastics pose to Mediterranean biodiversity and the seafood consumed by millions of people.

Microplastics in Fish: An Emerging Environmental Challenge

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This review synthesized evidence on microplastic bioavailability and accumulation in fish species globally, examining ingestion routes, tissue distribution, and potential health effects on both fish and human consumers. As a major dietary protein source for billions of people, fish contaminated with microplastics represent a direct and quantifiable pathway for human exposure to plastic particles and their adsorbed chemical pollutants.

Prevalence and Characterization of Ingested Microplastics in Coastal Fish in South Korea

Dynamics in Microplastic Ingestion During the Past Six Decades in Herbivorous Fish on the Mediterranean Israeli Coast

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Researchers examined the digestive tracts of two rabbitfish species collected from the Mediterranean coast of Israel in 2016 and found that 92% had consumed microplastics, with some individuals containing more than 500 particles. Comparing these findings to historical specimens suggests that microplastic ingestion by Mediterranean fish has increased substantially over the past six decades.