Toxic Effects on Accumulation, Hematological Parameters and Antioxidant Responses in Korean Bullhead, Pseudobagrus Fulvidraco by Exposure to Microplastic (Polyamide)

Polyethylene Microplastics Induce Concentration- and Time-Dependent Hematophysiological Impairment and Oxidative Stress Following Tissue Accumulation in Rock Bream (Oplegnathus Fasciatus)

Toxic effects of microplastic (Polyethylene) on fish: Accumulation, hematological parameters and antioxidant responses in Korean Bullhead, Pseudobagrus fulvidraco

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Korean bullhead fish exposed to polyethylene microplastics for just 96 hours showed significant toxic effects including microplastic buildup in the gut, gills, and liver. The fish developed blood abnormalities, liver stress, and disrupted antioxidant defenses, with effects worsening at higher concentrations. Since this species is a common freshwater fish, these findings raise concerns about microplastics affecting the health and safety of fish that people eat.

Toxicity Impact of Polyethylene Microplastics on Biochemical Parameters and Oxidative Stress in Benni Fish (Barbus sharpeyi)

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Benni fish exposed to increasing concentrations of polyethylene microplastics showed significant liver enzyme disruption, elevated cholesterol and triglycerides, and clear signs of oxidative damage in their cells. These dose-dependent biochemical changes suggest that microplastic exposure causes systemic physiological stress in fish, raising concerns about the health of species humans consume.

Distribution and Impact of Microplastics in the Aquatic Systems: A Review of Ecotoxicological Effects on Biota

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Researchers reviewed how microplastics are distributed across marine, freshwater, and terrestrial environments and the toxic effects they have on a wide range of organisms. Fish, invertebrates, and other animals that ingest microplastics experience physical harm, chemical toxicity, and reproductive disruption — effects that may ultimately reach humans through the food chain.

New Insights into the Effects of Polystyrene Microplastics on Freshwater Fish, Labeo rohita: Assessment on Histopathology, Mineral Composition, Bioaccumulation and Antioxidant Activity

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Researchers fed Labeo rohita fish diets containing up to 2.5% polystyrene microplastics over 90 days and found dose-dependent intestinal damage, reduced antioxidant enzyme activity, altered mineral composition in muscle tissue, and bioaccumulation of particles, suggesting risks to farmed fish health and potentially to people who consume them.