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THE IDENTIFICATION OF MICROPLASTICS IN GILLS AND DIGESTIVE TRACT IN TILAPIA FISH (Oreochromis mossambicus) IN LAKE TOBA
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Researchers identified and quantified microplastics in the gills and digestive tracts of tilapia (Oreochromis mossambicus) from caged and non-caged settings at three stations in Lake Toba, Samosir Regency, using Fenton extraction during February-March 2024 to assess microplastic contamination of farmed and wild fish.
Microplastics threaten the survival of aquatic organisms including fish in Lake Toba. This study aims to identify the type and abundance of microplastics found in the gills and digestive tract of tilapia (Orochromis mossambicus) in cages and non-cages of Lake Toba, Samosir Regency. Sampling was conducted in February-March 2024 at three stations namely Tanjung Bunga, Palipi, Simarsasar with sampling at each location of 10 caged and non-caged fish each. Extraction of microplastics using the Fenton. Observation parameters included gill weight, gut length, and abundance of microplastics in the gills and digestive tract. The results revealed that the majority of microplastics identified in cages and non-cages were fiber and filament types, with non-cage fish having a higher abundance of microplastics than cage fish.
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This Indonesian study examined microplastic contamination in the digestive organs of Nile tilapia (Oreochromis mossambicus) from fish cages in Kanal Mangetan canal in Sidoarjo. All nine sampled fish were found to contain microplastics, with fiber being the dominant particle shape.
Identification of Types and Abundance of Microplastics in Nile Tilapia (Oreochromis niloticus) in Lahor Reservoir, Malang Regency, East Java
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This Indonesian-language study examined microplastic contamination in the digestive tracts of Nile tilapia farmed in Lahor Reservoir, East Java, finding plastic particles at multiple sampling stations across the reservoir. Because tilapia is a widely consumed fish in the region, the results point to a direct route through which microplastics — sourced from inflowing rivers and residential areas — can enter the human food chain.
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This study investigated microplastics in farmed and wild Tilapia (Oreochromis mossambicus) from Guyana, finding contamination in both water, sediment, and fish tissues, with differences between aquaculture and wild-caught specimens suggesting both environment and source influence exposure.
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