Distribution Characteristics of Microplastics and Corresponding Feeding Habits of the Dominant Shrimps in the Rivers of Chongming Island

Distribution characteristics of microplastics and corresponding feeding habits of the dominant shrimps in the rivers of Chongming Island

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Researchers investigated spatial-temporal distribution of microplastics in rivers and dominant shrimp species on Chongming Island, revealing correlations between microplastic contamination patterns and shrimp feeding habits.

Microplastic Ingestion by Fish with Different Feeding Habits from Different Habitats in a Typical Semi-Enclosed Haizhou Bay

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A study of eight fish species in China's Haizhou Bay found microplastic detection rates of 53–80% across species, with benthic and omnivorous fish accumulating significantly more MPs than pelagic or predatory fish, and PET, polyamide, and polystyrene linked to marine aquaculture and port construction. Feeding behavior and habitat depth are key determinants of MP accumulation, with bottom-dwelling fish consuming prey that carries greater plastic loads from contaminated sediment layers.

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.

Microplastics in in Water, Sediment and Acetes Shrimp: A Case Study from the Haizhou Bay Estuary

Occurrence and Distribution Characteristics of Microplastics in Surface Water of China: a Review

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Researchers synthesized the literature on microplastic occurrence and distribution in Chinese surface waters, finding mean river concentrations ranging from 0.57 to 930 particles per liter, with fibers and sub-millimeter particles predominating and polypropylene and polyethylene as the most common polymers. As Chinese cities increasingly rely on surface water as drinking water sources, the high and variable microplastic loads documented across river and lake systems represent a direct human exposure pathway demanding stronger pollution monitoring and control.