Retraction notice to ‘Microplastic contamination in Penaeid shrimp from the Northern Bay of Bengal’ [Chemosphere 238 (2020) 124688]

RETRACTED: Microplastic contamination in Penaeid shrimp from the Northern Bay of Bengal

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Researchers examined microplastic contamination in two species of commercially important shrimp from the Northern Bay of Bengal in Bangladesh. They found microplastics in the gastrointestinal tracts of both species, averaging about 3.4 to 3.9 particles per gram, predominantly black filaments and fibers made of polyamide and rayon. Note: this paper has been retracted by the journal.

Retraction notice to “Adverse Impacts of Microplastics on Soil Physicochemical Properties and Crop Health in Agricultural Systems” [Journal of Hazardous Materials Advances 17, 2025, 100528]

Assessment of microplastic hazards in Penaeus vannamei shrimp in a typical estuary of China: polymer composition, risk assessment, and health implications

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Researchers assessed microplastic contamination in whiteleg shrimp from the Jiulong River estuary in China, finding five polymer types at 0.46 particles/g, with PVC comprising only 5.52% by count but contributing 98.11% of the total hazard risk index due to its toxic chemical additives. The disproportionate hazard posed by PVC despite its low abundance in farmed shrimp has direct food-safety implications, as commercially important shellfish in estuarine aquaculture systems are accumulating high-risk plastics consumed by people globally.

Characteristics and potential human health risks of microplastics for commercial shrimp Litopenaeus vannamei from South Yellow Sea Mudflat

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Scientists studying shrimp from a Chinese coastal mudflat found tiny plastic bits (mostly microscopic fibers from packaging-type plastics) throughout the shrimp's bodies, with even more found in shrimp caught near river mouths where pollution runs off. The good news: most of these plastic particles were concentrated in the gut, so removing and not eating the digestive tract (something many people already do when peeling shrimp) significantly cuts down your exposure to microplastics.

Microplastics in Acetes shrimps from the southeastern coast of Bangladesh

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Researchers analyzed microplastic contamination in two Acetes shrimp species from Bangladesh's southeastern coast, finding an average of 0.078–0.102 particles per shrimp, predominantly polyethylene and polypropylene fibers identified via ATR-FTIR. The findings demonstrate that even small zooplankton-level seafood consumed by millions carries microplastics, highlighting the dietary exposure pathway through marine food webs.