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The Impact of Microplastic Pollution on the Reproduction and Development of Marine Fish: A Case Study of Zebrafish
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Researchers investigated how microplastic exposure affects zebrafish reproduction and offspring development, finding disruptions to gonadal tissue, reduced fertilization rates, and developmental abnormalities in embryos, offering a controlled model for understanding plastic pollution risks to marine fish populations.
In recent years, microplastic pollution has become a global environmental concern, significantly impacting marine ecosystems, particularly fish species. This study investigates the potential effects of microplastic exposure on the reproductive systems and offspring...
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Recent advances of microplastics toxicity and fate on zebrafish-a review
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This review synthesizes evidence on how micro- and nanoplastics cause developmental, reproductive, gastrointestinal, and oxidative stress toxicity in zebrafish, positioning the species as a valuable vertebrate model for understanding plastic pollutant effects across trophic levels. Zebrafish research is accelerating mechanistic understanding of how microplastics harm vertebrate biology, providing insights relevant to assessing risks for fish-eating wildlife and humans.
Impact of Microplastics on Reproductive and Physiological Aspects of Aquatic Inhabitants
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Researchers reviewed how microplastic exposure affects reproduction and physiology in freshwater aquatic organisms, finding that plastic particles disrupt hormonal signaling, reduce fertility, and impair development across a range of sensitive freshwater species.
Microplastics in Fish: An Emerging Environmental Challenge
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This review synthesized evidence on microplastic bioavailability and accumulation in fish species globally, examining ingestion routes, tissue distribution, and potential health effects on both fish and human consumers. As a major dietary protein source for billions of people, fish contaminated with microplastics represent a direct and quantifiable pathway for human exposure to plastic particles and their adsorbed chemical pollutants.
Acute Effects of Size Dependent Low-Density Polyethylene Microplastics on Zebrafish
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Zebrafish embryos exposed to low-density polyethylene microplastics for 48 hours accumulated particles in their gut, experienced reduced hatching rates, increased heart rates, and significant tissue damage, with smaller particles causing the most harm. These acute effects in a widely used model organism suggest that even brief early-life exposure to plastic particles can disrupt normal development.
Microplastic in fish – A global synthesis
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A global synthesis of microplastic ingestion data from marine, freshwater, and estuarine fish found that 49% of sampled fish worldwide had ingested plastic, averaging 3.5 pieces per fish, with freshwater fish and those from aquaculture sources showing higher ingestion rates than wild marine fish. This comprehensive analysis reveals that microplastic contamination of fish — a primary human protein source globally — is now the rule rather than the exception, underscoring urgent risks to food safety.
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