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61,005 resultsShowing papers similar to Correlation of Water Quality with Microplastic Exposure Prevalence in Tilapia (Oreochromis niloticus)
ClearThe Presence of Microplastics in the Genus Oreochromis: A Review
This review summarizes evidence of microplastic contamination in Oreochromis tilapia species across multiple geographic regions, examining abundance, polymer types, and potential pathways of MP ingestion, with implications for seafood safety and aquaculture management.
Microplastic contamination in the aquaculture icon Oreochromis mossambicus: Prevalence, characteristics, and comprehensive overview
Researchers investigated microplastic contamination in the Mozambique tilapia, a widely farmed fish species in India, and found microplastics present in the digestive tracts of sampled fish. The most common types were fibers and fragments made of polyethylene and polypropylene. The study raises concerns about microplastic transfer through aquaculture to human consumers, given the growing importance of tilapia farming and the rising levels of plastic pollution in Indian freshwater systems.
Toxicological assessment of dietary exposure of polyethylene microplastics on growth, nutrient digestibility, carcass and gut histology of Nile Tilapia (Oreochromis niloticus) fingerlings
Researchers fed Nile tilapia fish diets containing different amounts of polyethylene microplastics and found that higher levels significantly reduced growth, nutrient absorption, and body composition. Fish exposed to the highest microplastic concentration (10%) showed severe gut damage visible under a microscope. Since tilapia is widely farmed for human consumption, these findings raise concerns about microplastic contamination affecting both fish health and the safety of farmed seafood.
Integrated Biomarker, Histopathological and Genotoxicity‐Based Toxicological Evaluation of Polystyrene and Polyethylene Microplastics in Oreochromis mossambicus
Researchers exposed Mozambique tilapia to polystyrene and polyethylene microplastics and found dose-dependent accumulation in gill, gut, and liver tissues. Polyethylene proved significantly more toxic, causing greater oxidative stress, metabolic disruption, and chromosomal damage as measured by micronucleus assays. The study provides evidence that different polymer types can have markedly different toxicological impacts on freshwater fish.
Deleterious Effects of Polypropylene Microplastic Ingestion in Nile Tilapia (Oreochromis niloticus)
Researchers fed Nile tilapia daily doses of polypropylene microplastics for 30 days and observed significant health effects including changes in blood cell counts, altered gut bacteria, and tissue damage to the intestines and liver. The higher dose group showed more pronounced effects, including elevated inflammatory markers and signs of oxidative stress. The study provides evidence that chronic ingestion of microplastics commonly found in aquatic environments can cause meaningful harm to a widely consumed fish species.
Effects of Microplastics on the Oxygen Consumption and Histological Changes of the Cultured Nile Tilapia Oreochromis niloticus
This study found that microplastic exposure caused tissue damage in the gills and intestines of tilapia fish, with higher concentrations leading to more severe changes. Since tilapia is widely consumed worldwide, these findings raise questions about whether microplastics in farmed fish could affect the quality and safety of the seafood on our plates.
Occurrence of micro- nanoplastics in a commercial recirculated aquaculture system and their translocation to cultured fish organs: A baseline study
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.
Assessment of dietary polyvinylchloride, polypropylene and polyethylene terephthalate exposure in Nile tilapia, Oreochromis niloticus: Bioaccumulation, and effects on behaviour, growth, hematology and histology
Nile tilapia fish fed three common types of microplastics (PVC, polypropylene, and PET) showed reduced growth, abnormal behavior, blood cell damage, and tissue damage in their gills, liver, and intestines. The harmful effects increased with higher doses of microplastics and varied by plastic type. Since tilapia is one of the most widely consumed fish globally, these findings raise concerns about the health of fish that may carry microplastic contamination to human diets.
Effects of Microplastics on Gene Expression, Muscular Performance, and Immunological Responses in Nile Tilapia (Oreochromis niloticus): Seasonal and Habitat Variations
Researchers found microplastics in both the gut and muscle tissue of Nile tilapia fish from two sites along the Nile River in Egypt, with contamination levels varying by season and location. The microplastics activated genes linked to muscle wasting, cell death, and inflammation while suppressing growth-related genes, with the worst effects seen during summer months. Since tilapia is a widely consumed fish, these findings raise concerns about microplastic-related damage being passed to humans through the food supply.
Do microplastics pose health hazard?: A laboratory study by Oreochromis niloticus
Researchers used Nile tilapia (Oreochromis niloticus) in a tank-based experiment to quantify microplastic accumulation and assess health risk using a total polymer risk index. The study found elevated health risk levels in fish exposed to environmental concentrations of MPs, suggesting risks extending to human consumers.
Occurrence of Microplastics in the Tissues of Nile Tilapia (Orechromis niloticus) from Zobe Dam, Katsina State, Nigeria
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.
Histological and Histochemical Effects of Microplastics Administration in Oreochromis niloticus Fingerlings
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.
Efecto de la ingesta incidental de polietileno y polipropileno sobre el crecimiento de Oreochromis sp. manejada en condiciones de laboratorio
Researchers exposed tilapia to polyethylene and polypropylene microplastics at different concentrations under laboratory conditions and found reduced growth performance. The results suggest that microplastic ingestion can impair the growth of this commercially important fish species, with potential implications for aquaculture productivity.
Ingestion and the toxicological effects of virgin polyethylene (PE) and polyvinylchloride (PVC) microplastics in commercial freshwater fish, tilapia (Oreochromis niloticus)
Researchers exposed tilapia to polyethylene and polyvinyl chloride microplastics through their diet over 21 days and observed behavioral changes, mortality, and reduced growth rates. The study suggests that ingestion of common microplastic types can impair the health and survival of commercially important freshwater fish, with implications for aquaculture and food safety.
Identifikasi Mikroplastik pada Air, Sedimen, dan Ikan Nila (Oreochromis niloticus) di Sungai Porong, Kabupaten Sidoarjo, Jawa Timur
Researchers identified microplastics in water, sediment, and Nile tilapia (Oreochromis niloticus) tissues, documenting contamination across multiple environmental compartments in a freshwater system. The presence of microplastics in a commercially important fish species raises concerns for food safety and ecosystem health.
Evaluation of Toxicological Risks and Effects of Microplastics on Nile Tilapia (Oreochromisniloticus) under in Vitro Laboratory Conditions
This laboratory study evaluated the toxicological effects of microplastics on Nile tilapia (Oreochromis niloticus) under controlled conditions, finding measurable harm at the concentrations tested. The results have implications for managing fish health in aquaculture operations with microplastic-contaminated water.
Ingestion of Polyvinylchloride Powder Particles Induces Oxidative Stress and Hepatic Histopathological Changes in Oreochromis niloticus (Nile Tilapia)—A Preliminary Study
Researchers found that oral exposure to PVC microplastic powder induced oxidative stress and liver histopathological changes in Nile tilapia, with altered water quality parameters and tissue damage indicating significant toxicological effects from ingested plastic particles.
Challenges to Aquatic Food Source Sustainability: Investigating the Bioaccumulation of Microplastics of Tilapia and Mussels
This study investigated microplastic bioaccumulation in aquatic food sources including fish, shellfish, and crustaceans, examining contamination levels across commercially important species and assessing the human dietary exposure implications of consuming aquatic foods from contaminated environments.
Survival rate and growth performance of tilapia (Oreochromis niloticus) exposed in polyvinyl chloride microplastics
This study tested how polyvinyl chloride (PVC) microplastics affect the survival and growth of tilapia, a widely eaten fish. While focused on fish rather than humans, it provides data on how microplastics in water can harm aquatic life that ends up on our plates. The findings add to concerns about microplastic contamination in the food chain.
Occurrence and characterization of microplastic content in the digestive system of riverine fishes
Researchers found microplastics in 93.8% of riverine fish examined, with polystyrene, polyethylene, and nylon being the most common polymer types concentrated near urban and industrial areas, and small particles (0.025-1 mm) predominating across species.
Analisis Kelimpahan Mikroplastik pada Organ Insang dan Usus Ikan Nila (Oreochromis niloticus) di Perairan Tukad Badung, Bali
Researchers analyzed the abundance and characteristics of microplastics found in the gill and intestine organs of Nile tilapia (Oreochromis niloticus) sampled from the Tukad Badung waterway in Bali, Indonesia, finding evidence of microplastic accumulation in both tissue types.
Microplastics in Tilapia Fish (Oreochromis Niloticus) Cultured at Magat Dam Reservoir
This study investigated microplastic contamination in Nile tilapia cultured in Magat Dam Reservoir in the Philippines, identifying particles in digestive tracts and gill tissues. The findings raise concerns about microplastic accumulation in farmed freshwater fish destined for human consumption.
Study on the dynamics of microplastics in the biofloc system for Nile tilapia (Oreochromis niloticus) aquaculture
Researchers studied how microplastics behave in biofloc aquaculture systems — where beneficial bacteria clusters are used to improve water quality — finding that microplastics accumulate in both the bacterial clusters and tilapia tissues, with intestinal contamination rising sharply at higher plastic concentrations. The results show that biofloc technology does not protect fish from microplastic exposure and that plastic management is essential for safe aquaculture.
Size-dependent vector effect of microplastics on the bioaccumulation of polychlorinated biphenyls in tilapia: A tissue-specific study
Researchers examined how different sizes of polystyrene microplastics affect the accumulation of polychlorinated biphenyls (PCBs) in tilapia tissues. The study found that microplastic size plays a significant role in contaminant bioaccumulation, with smaller particles leading to different tissue-specific uptake patterns, suggesting that microplastics can act as vectors for transporting harmful organic pollutants into aquatic organisms.