Microplastics and heavy metals contamination in Atropus atropos and associated health risk assessment in the northwest of the Persian Gulf, Iran

Evaluation of microplastic presence and risks in freshwater fish from Anzali International Wetland, Iran

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Scientists found tiny plastic particles (mostly blue plastic fibers) in the gills and guts of fish from an Iranian wetland, with bottom-feeding fish like tench carrying the most contamination. Since these fish are part of the food chain, and some are likely eaten by people, this suggests microplastics could be working their way up to our dinner plates, highlighting the need for better pollution controls and testing methods to understand the full health risks.

Characterization and Risk Assessment of Microplastics in Pampus argenteus: The First Comparative Study across Offshore Fishing Grounds of the Bay of Bengal

Macroplastic and Microplastic in the Freshwater Environment of Southern Iraq: Evidences Obtained from Freshwater Fish Species

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Freshwater fish species collected from southern Iraq were found to have ingested both macro- and microplastic fragments, providing early evidence of plastic contamination moving through freshwater food webs in the Tigris-Euphrates river system. Fish as biomonitors for plastic pollution offer a practical tool for assessing contamination levels in freshwater systems and signaling potential risks for communities that consume locally caught fish.

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.

Microplastic ingestion and potential risk assessment on commercial and non-commercial marine fish in the Bay of Bengal

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Researchers analyzed microplastic contamination in six coral reef fish species from Saint Martin's Island in the Bay of Bengal, finding 100% occurrence rates, with 4-10 microplastics per gastrointestinal tract dominated by polypropylene and polyethylene fibers, and polymer hazard index scores classifying all species in the high-risk 'Danger' category.