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No evidence of microplastic impacts on consumption or growth of larval <i>Pimephales promelas</i>

Environmental Toxicology and Chemistry 2018 37 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 30 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Timothy D. Malinich, Nathan Chou, Nathan Chou, Timothy D. Malinich, Marı́a S. Sepúlveda Marı́a S. Sepúlveda Marı́a S. Sepúlveda Marı́a S. Sepúlveda, Marı́a S. Sepúlveda, Marı́a S. Sepúlveda, Tomas O. Höök, Tomas O. Höök, Tomas O. Höök, Tomas O. Höök, Marı́a S. Sepúlveda, Marı́a S. Sepúlveda

Summary

This study found no evidence that microplastic polyethylene microspheres affected the feeding or growth of larval fathead minnows at the concentrations tested. The results suggest that not all microplastic exposures produce measurable harm in fish larvae, and that effect magnitude may depend strongly on particle concentration and type.

Polymers

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Invertebrate other

Microplastics are an abundant pollutant in aquatic systems, but little is known regarding their effects on larval fish. We conducted foraging and growth experiments to observe how increasing densities of microplastics (polyethylene microspheres) impact the foraging and growth of Pimephales promelas larvae. We found minimal impacts on larval consumption of Artemia nauplii in the consumption study, as well as little impact on total length after 30 d of the growth experiment. Environ Toxicol Chem 2018;37:2912-2918. © 2018 SETAC.

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