A baseline dataset for microplastic bioaccumulation in seafood in Andaman waters: a preliminary study indicating anthropogenic threat in the food chain of the Island ecosystem

Microplastics in the Inshore and Offshore Surface Water in the Andaman Sea

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Surface water surveys in the Andaman Sea found microplastic concentrations averaging 0.27 particles per cubic meter, with polypropylene, polyethylene, and polystyrene as the dominant polymer types, and ocean circulation driving offshore accumulation. The results establish a baseline for a previously understudied marine region and underscore the need for expanded monitoring as currents redistribute plastic pollution across international waters.

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.

Microplastic Pollution and Contamination of Seafood (Including Fish, Sharks, Mussels, Oysters, Shrimps and Seaweeds): A Global Overview

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This global review compiled 15 years of research showing that microplastics contaminate a wide range of seafood, including fish, sharks, mussels, oysters, shrimp, and seaweed. Seafood is a key pathway through which humans are regularly exposed to microplastic particles.

Microplastics Contamination in Marine Organisms of Different Trophic Levels from Dikkowita Harbor

An Account on Microplastics Ingestion by Zooplankton Community of Coral Reef Lagoons and Open Waters of Lakshadweep Archipelago: Assessment of Potential Risks

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A January 2022 survey of zooplankton in Lakshadweep coral reef lagoons found microplastics in all taxa, with non-crustacean groups ingesting more particles and copepods preferentially consuming smaller fragments; polyethylene and polypropylene dominated, and Pollution Load Index scores indicated moderate-to-high contamination. These findings are significant because zooplankton form the base of marine food webs, meaning microplastic ingestion at this level can propagate contamination and harm up through fish, seabirds, and marine mammals.