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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Human Health Effects Marine & Wildlife Sign in to save

No evidence of microplastic impacts on consumption or growth of larval Pimephales promelas

Environmental Toxicology and Chemistry 2018 37 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Timothy D. Malinich, Nathan Chou, Marı́a S. Sepúlveda, Tomas O. Höök

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
PE
Models
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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