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Detection of Microplastics by Various Types of Whiteleg Shrimp (Litopenaeus vannamei) in the Korean Sea
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Researchers detected microplastics in whiteleg shrimp from Korean seas, finding 1.73 to 3.8 particles per 10 grams across different shrimp sizes, with fibers and fragments of various polymer types predominantly concentrated in the heads and intestines.
Microplastic pollution in the ocean has a major impact on marine organisms, including digestive system damage and reduced growth and fertility. This study investigated the amount, size, color, type, and presence of heads and intestines of microplastics by size in Litopenaeus vannamei, a type of marine organism. Microplastic analysis was performed using FTIR and digital microscopy. The number of microplastics by the size of the shrimp ranged from 1.73 to 3.8 MPs per 10 g, and the microplastic size of less than 100 μm was 77–92%, with blue showing the highest ratio. As for the type of plastic, PE and PP showed the highest ratio, and PET, PS, nylon, and PVC were found. Microplastics were found to be 11.83 MPs/10 g for heads and intestines and 3.16 MPs/10 g for samples without heads and intestines. This study adds to evidence for the presence of high levels of microplastics in the intestines and heads of shrimp. It also enhances our understanding of the need for efficient plastic waste management in the ocean and the impact of microplastics on marine biota.
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Characterization of Microplastic Contamination of Whiteleg Shrimp (Litopenaeus vannamei) Cultivation in North Lombok, Indonesia
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Researchers characterized microplastic contamination in farmed whiteleg shrimp (Litopenaeus vannamei), measuring particle abundance, size distribution, polymer types, and potential human dietary exposure through shrimp consumption. Microplastics were found throughout shrimp tissues, with implications for seafood safety.
Microplastics in the tissues of commercial semi-intensive shrimp pond-farmed Litopenaeus vannamei from the Gulf of California ecoregion
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Researchers conducted the first study of microplastics in the gastrointestinal tract, gills, and exoskeleton of farmed whiteleg shrimp from commercial aquaculture facilities in northwestern Mexico. The study found an average of 18.5 microplastic items per shrimp across all tissues examined. The findings suggest that semi-intensive shrimp farming operations are a source of microplastic contamination in commercially harvested seafood.
Microplastics in surface water and tissue of white leg shrimp, Litopenaeus vannamei, in a cultured pond in Nakhon Pathom Province, Central Thailand
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Researchers detected microplastics in the surface water and edible tissues of white leg shrimp (Litopenaeus vannamei) farmed in Thailand, raising food safety concerns about microplastic contamination in a commercially important aquaculture species consumed widely across Asia.
Occurrence and Characteristics of Microplastics in Wild and Farmed Shrimps Collected from Cau Hai Lagoon, Central Vietnam
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Researchers measured microplastic occurrence in the gastrointestinal tracts and tissues of four shrimp species (two wild, two farmed) from a Vietnamese lagoon, finding microplastics in all species and providing baseline data on seafood plastic contamination for this region.
Detection of microplastics in Litopenaeus vannamei (Penaeidae) and Macrobrachium rosenbergii (Palaemonidae) in cultured pond
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Researchers detected microplastics in the gastrointestinal tracts of cultured whiteleg shrimp and giant river prawns from aquaculture ponds. The findings indicate that consuming these shellfish without removing the digestive tract is one pathway by which humans may be exposed to microplastics. The study suggests that microplastics in freshwater aquaculture species can transfer through the food chain to human consumers.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.