Relationships between Landscape and the Incidence of Microplastics in Fish: The Case of a Highly Urbanized Basin

Microplastic Accumulation in Freshwater Fish: Distribution, Sources, and Human Health Implications

Occurrence, Distribution, and Removal of Microplastics from Aquatic Ecosystems

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Researchers investigated the occurrence, distribution, and removal strategies for microplastics in aquatic ecosystems, reviewing how their pervasive presence and resistance to conventional treatment create persistent risks for both environmental and human health.

Ingestion of Microplastic by Fish of Different Feeding Habits in Urbanized and Non-urbanized Streams in Southern Brazil

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Researchers found that fish in urbanized streams in southern Brazil were significantly more likely to have ingested microplastic fibers than fish in non-urbanized streams, and that omnivorous species faced the highest exposure risk. This highlights how urban development drives microplastic contamination into freshwater food chains long before particles reach the ocean.

Influence of urban land use on the accumulation of microplastics in urban water bodies

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This study found that the way land is used in cities, like how much is covered by roads, buildings, or industry, affects how much microplastic pollution ends up in nearby water bodies. This matters because these tiny plastic particles can travel through waterways into the food we eat and the water we drink, so understanding their sources in cities could help guide better urban planning to reduce our exposure to them.

Current State of Research on the Prevalence of Microplastics in Aquatic Fish and Their Impact on Health

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Researchers reviewed microplastic contamination in fish across all seven continents, finding marine fish were studied 2.6 times more than freshwater species, and that microplastics trigger oxidative stress, alter biochemical pathways, and accumulate through biotransformation in fish tissues globally.