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Microplastics Ingestion by Skipjack tuna (Katsuwonus pelamis) in Ternate, North Maluku - Indonesia
Summary
Researchers found microplastics in the digestive tracts of skipjack tuna collected from Indonesian waters, with plastic particles present in most fish examined. Since tuna is widely consumed, the findings raise concerns about human exposure to microplastics through seafood.
Abstract Microplastic (MPs) is a contaminant of concern worldwide. Rivers are implicated as significant pathways of micro-plastic transport to marine and lake ecosystems, and microplastic ingestion by freshwater biota is a risk associated with microplastic contamination, but there is little research on microplastic ecology within freshwater ecosystems. Microplastic uptake by fish is likely affected by environmental microplastic abundance and aspects of fish ecology, but these relationships have rarely been addressed. We measure the distribution and abundance of micro-plastic in skipjack tuna from 3 markets in Ternate. In total 948 MPs pieces were obtained in 16 fish samples. The identified MPs characteristics show that the micro-plastic character is categorized from the type of fiber, film, and fragment, while the colour of microplastic is black, red, blue, green, brown, grey, and white.