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Identification of Microplastics in Euthynnus affinis in Kedonganan Area, Kuta, Badung, Bali
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This study identified microplastics in the gastrointestinal tracts of Euthynnus affinis (mackerel tuna) sampled from Kedonganan, Bali, confirming microplastic contamination in commercially important fish from Indonesian coastal waters.
Plastic waste pollution in the ocean can compromise food safety for the community in the world. One of the most dangerous polution today is microplastics. Microplastics are plastic particles that are ≤ 5 μm in size and cannot dissolve in water. Fish is one of the important foodstuffs that is often consumed by humans because, besides its delicious taste, fish also has good nutritional value. The presence of microplastic contamination in fish consumed by humans will certainly be very detrimental to humans. The purpose of this study was to determine the type and abundance of microplastics in fish Euthynnus affinis in the Kedonganan area, Kuta, Badung, Bali. This study was conducted from April to May 2023. The fish samples used were 30 samples with descriptive qualitative analysis. Microplastic particles were extracted first for further analysis. The results showed the types of microplastics found in Euthynnus affinis, namely film, fibre, and fragment types. While the abundance of microplastics in Euthynnus affinis, the fibre type is the most common type of microplastics found at 2.1 particles/individual followed by fragment and film types at 1.1 particles/individual and 0.8 particles/individual respectively.
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Microplastic contamination in the Skipjack Tuna (Euthynnus affinis) collected from Southern Coast of Java, Indonesia
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Researchers examined the digestive tracts of skipjack tuna collected from the southern coast of Java, Indonesia, and found microplastics present in all sampled fish. The most common microplastics were fibers and fragments, primarily made of polyethylene and polypropylene. The findings raise concerns about microplastic contamination in commercially important fish species consumed by humans in the region.
Identifikasi Cemaran Mikroplastik pada Ikan Tongkol (Euthynnus affinis C.) dan Dencis (Sardinella lemuru) di TPI Lampulo, Banda Aceh
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This Indonesian study detected microplastic contamination in the digestive tracts of bullet tuna (Euthynnus affinis) caught in local waters. Microplastics were found in fish from all sampling locations, with fiber fragments being most abundant. The findings raise food safety concerns given that bullet tuna is a commercially important species consumed in Indonesia.
Identification of Microplastic in the Digestive Tracts of Mackerel Tuna, Lemuru and Sea Water from Pangandaran, Indonesia
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Researchers examined the digestive tracts of mackerel tuna and lemuru fish from coastal waters in Pangandaran, Indonesia, and found microplastics in both species. Mackerel tuna contained mostly fragment-type microplastics while lemuru had primarily fiber-type particles, with polypropylene and polyester identified as the dominant polymer types. The study highlights the extent of microplastic contamination in commercially important fish species and the potential for human exposure through seafood consumption.
IDENTIFIKASI MIKROPLASTIK PADA IKAN TONGKOL (Euthynnus affinis) SEBAGAI BIOINDIKATOR DI PERAIRAN TELUK KOTA KUPANG
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This Indonesian study examined microplastic contamination in the digestive tracts of tongkol fish (Euthynnus affinis) from two sites in Kupang Bay. Microplastics were found in all 16 sampled fish, with fibers and fragments being the most common shapes, confirming fish as indicators of coastal plastic pollution.
Toxic tuna tales: Tracing microplastic pathways in mackerel tuna (Euthynnus affinis), longtail tuna (Thunnus tonggol), and bullet tuna (Auxis rochei)
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Researchers examined 125 tuna from three species in Malaysian waters and found microplastics in their digestive tracts, gills, and edible muscle tissue. Fibers were the most common type, and male fish accumulated more microplastics than females. Since tuna is one of the most widely consumed fish globally, the presence of microplastics in edible muscle tissue raises direct concerns about human exposure through seafood.
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