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Microplastic's triple threat
Summary
A brief research summary describes how Eurasian perch larvae exposed to microplastics became less active, stopped responding to predator cues, and preferred eating plastic over natural prey. The study demonstrated that microplastics have multiple compounding harmful effects on fish behavior and survival.
Ecotoxicology The billions of tons of plastics that we release into the environment for the most part do not biodegrade. But they do degrade, breaking into ever smaller particles that end up in the oceans. Lonnstedt et al. show that the impacts of these microplastics are multifold (see the Perspective by Rochman). Eurasian perch larvae exposed to microplastics were less active, less responsive to predator cues, more likely to be eaten, and less likely to thrive—preferring to eat plastic rather than their natural prey. ![Figure][1] Perch larvae will consume microplastics. PHOTO: OONA LONNSTEDT Science , this issue p. [1213][2]; see also p. [1172][3] [1]: pending:yes [2]: /lookup/doi/10.1126/science.aad8828 [3]: /lookup/doi/10.1126/science.aaf8697
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