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Penetration of Microplastics (Polyethylene) to Several Organs of Nile Tilapia (Oreochromis niloticus)
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Polyethylene microplastics were found to penetrate from the digestive tract into multiple organs of Nile tilapia (Oreochromis niloticus), including the liver, kidney, and gills, demonstrating systemic translocation beyond the gut in this widely farmed fish species.
Abstract Microplastics are a severe problem in several countries. Microplastics spread throughout the ecosystem both on aquatic and terrestrial. Those are very difficult to overcome as well as have an impact on the environment and affect food safety. This study aimed to know the penetration of microplastics into several organs in Nile tilapia. The experiment was conducted by given 30 grams of microplastic (a type of polyethylene scrub) into an aquarium (15 L) containing five fish (consumption size) for seven days. The results showed that microplastic penetration occurred in the blood, gills, gonads, intestines, liver, muscles, and stomach. These results explain that during a week of rearing, the fish have been exposed to microplastics. It was very dangerous for human health issues if consumed.
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Microplastics in aquaculture fish - investigating microplastic exposure in Nile Tilapia
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Researchers investigated whether microplastics ingested by Nile tilapia translocate from the gut to internal organs and edible tissues, examining liver, gonads, and fillet in adult fish. Microplastics were detected in all three tissue types beyond the gut, confirming translocation and raising food safety concerns for aquaculture tilapia consumers.
Histological and Histochemical Effects of Microplastics Administration in Oreochromis niloticus Fingerlings
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Researchers exposed Nile tilapia to two types of microplastics and examined histological and histochemical changes in gills, liver, and kidneys, finding tissue-level damage that demonstrates the harmful effects of microplastic ingestion on vital fish organs.
Occurrence of Microplastics in the Tissues of Nile Tilapia (Orechromis niloticus) from Zobe Dam, Katsina State, Nigeria
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This study found microplastics in the tissues of Nile tilapia cultured in freshwater, with particles identified in gills, intestines, and muscle tissue. The results highlight the potential for microplastic transfer from farmed fish to human consumers.
Occurrence of micro- nanoplastics in a commercial recirculated aquaculture system and their translocation to cultured fish organs: A baseline study
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Researchers found microplastics and nanoplastics inside the muscle, brain, and gut of Nile tilapia raised in a commercial fish farm that uses recirculated water, identifying multiple plastic polymer types in fish tissue — a finding that suggests farmed fish are a direct route for microplastic exposure in people who eat them.
Microplastics induced histopathological lesions in some tissues of tilapia (Oreochromis niloticus) early juveniles
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Researchers exposed young tilapia fish to different concentrations of microplastics for 15 days to study effects on their organs. The study found damage across multiple tissues including the kidney, liver, pancreas, gills, and muscles, with effects ranging from inflammation and cell death to structural deformation. These findings suggest that microplastic exposure can cause widespread organ damage in fish even at relatively low concentrations.
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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.