Chronic effects of polystyrene microplastics on two crayfish species

Spatial distribution and characterization of microplastics in crayfish from inland waters of Türkiye

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Researchers analyzed 200 crayfish from eight Turkish lakes and detected microplastics in 62% of individuals, with significant spatial variation linked to land use and wastewater inputs, and polyethylene and PET fibers and fragments predominating. Freshwater crayfish prove effective bioindicators for mapping microplastic pollution across inland water bodies, revealing how human activity patterns drive contamination of food species consumed by local communities.

Microplastics in the Gastrointestinal Tract of Red Swamp Crayfish

Polystyrene microplastics: environmental presence, pathways, and biological impact

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Researchers reviewed the environmental presence, transport pathways, and biological impacts of polystyrene microplastics, documenting how widespread food packaging use leads to pervasive contamination of aquatic and terrestrial ecosystems and raises concerns for organismal and human health.

The Impact of Polystyrene Microplastics in Living Organisms; Environmental and Ecological Concerns

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This review comprehensively examined the environmental and ecological impacts of polystyrene microplastics, which readily adsorb both organic and inorganic pollutants and carry them into living organisms. Polystyrene is one of the most widely produced plastics globally, and its breakdown into microplastics creates particles that act as vectors for toxic chemicals in ecosystems and potentially in human bodies.

Polystyrene microplastics affect the early life stages of large yellow croaker Pseudosciaena crocea

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Researchers exposed early life stages of large yellow croaker fish to polystyrene microplastics and found that 1-micrometer particles increased larval mortality and decreased body length at high concentrations, while 5-micrometer particles disrupted phospholipid metabolism in cell membranes, indicating developmental risks to commercially important fish species.