The presence of microplastics in the stomach contents of Carcinus aestuarii Nardo, 1847 in Çardak Lagoon, Çanakkale Strait

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

Microplastics in Juvenile Commercial Fish from an Estuarine Environment

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Juvenile commercial fish from an estuarine environment were found to have ingested microplastics, demonstrating that plastic contamination affects fish at early life stages in transitional coastal ecosystems rather than only in open ocean habitats. Since estuaries serve as nurseries for many commercially important species, microplastic ingestion by juveniles threatens both fish population health and the safety of seafood reaching consumers.

The Presence of Microplastics and Plasticizers in Different Tissues of Mullet (Mugil cephalus) Along the East Java Coast in Indonesia

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Researchers found microplastics in the gills, stomach, and intestines of mullet fish (Mugil cephalus) from four East Java coastal sites, with gills containing the highest loads (10.87 particles/individual) and pellets smaller than 100 µm dominating, along with plasticizers including the toxic cyclohexadiene. The study shows that coastal fish consumed by humans carry both microplastic particles and their chemical additives through multiple tissues, raising direct food safety concerns.

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.

Microplastics ingestion by fish in the Pangandaran Bay, Indonesia

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Researchers examined the digestive tracts of 18 fish from Pangandaran Bay, Indonesia, finding 193 microplastic particles across two species — predominantly fragments (50%) and films (27%) — and providing the first documented evidence of microplastic contamination in fish from that coastal region.