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Accumulation of microplastics in fugu (Takifugu bimaculatus): A comparative study between fishing grounds and aquafarms
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Researchers found that over 98.85% of both wild-caught and farm-raised pufferfish (Takifugu bimaculatus) contained microplastics, with cultured fish accumulating nearly twice as many particles as wild individuals, raising concerns about food safety for this prized seafood.
Microplastics (MPs) in fish have attracted attention recently, for their ecological and food safety risks. However, knowledge gaps still exist regarding MPs in fugu, a special poisonous but precious seafood, especially that accumulated in its tissues. Accordingly, this study investigated the characteristics of MPs in cultured Takifugu bimaculatus which raised on three aquafarms and in wild individuals from three fishing grounds. More than 98.85 % of T. bimaculatus were contaminated by MPs and the average MPs abundance in wild fugu (4.25 ± 2.63 items/individual) was lower than that of cultured fugu (7.91 ± 2.16 items/individual). The abundance of MPs in fugu's tissues under different life patterns shows significant differences. There were marked differences in size of MPs presented in various tissues. This study adds to the knowledge on MPs accumulation in the tissues of wild and cultured fugu, providing warnings about its transmission and ecological risks in the food chain.
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Microplastic contamination in marine-cultured fish from the Pearl River Estuary, South China
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Microplastic abundance was measured in the stomach and intestine of marine-cultured hybrid groupers from the Pearl River Estuary, finding that farmed fish accumulated plastics at levels comparable to wild-caught species. The study highlights aquaculture environments as sites of significant microplastic exposure even for fish not feeding on wild prey.
The accumulation of microplastics in fish from an important fish farm and mariculture area, Haizhou Bay, China
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Researchers investigated microplastic accumulation in six wild fish species from Haizhou Bay, a major fish farm and mariculture area in China, examining both digestive and non-digestive tissues. They found microplastics present in all fish species, with variation in abundance depending on species and tissue type. The findings raise concerns about microplastic transfer through aquaculture supply chains and potential implications for seafood safety.
Microplastic Bioaccumulation in Selected Finfish Species Harvested from Northwest Coastal Waters, Sri Lanka: A Potential Risk to Human Health?
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Researchers analyzed microplastic bioaccumulation in edible and non-edible tissues of four finfish species from northwest coastal Sri Lanka, finding that 96% of samples were contaminated with particles in the 0.06-0.11 mm range. Tuna (Katsuwonus pelamis) showed the highest MP levels in edible muscle tissue at 1.1 MP/g, raising concerns about human dietary exposure.
Microplastic Interaction in the Parasite Infection of Commercial Marine Puffer Fishes (Tetraodontiformes: Tetraodontidae) of the Campeche Coast, Mexico
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Scientists studying puffer fish off the coast of Mexico found that fish with more microplastics (tiny plastic particles) in their systems tended to have higher levels of parasite infections and changes in their blood cells, suggesting these plastics may be weakening the fish's immune defenses. Since these puffer fish are commonly caught and sold for food, this matters because it raises questions about whether eating seafood contaminated with microplastics and parasites could pose extra health risks to people—though more research is needed to fully understand that connection.
Karakteristik Mikroplastik Pada Ikan Laut Konsumsi Yang Didaratkan Di Bali
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Researchers characterized microplastic contamination in commercially consumed marine fish landed in Bali, Indonesia, examining microplastic presence, type, and polymer composition across multiple fish species. The study found widespread microplastic ingestion in food fish, raising concerns about human dietary exposure through seafood consumption in the region.
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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.