Motorboat noise stunts growth and impairs predator escape in reef fis… | HappeningNow.news

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Motorboat noise stunts growth and impairs predator escape in reef fish, study shows

Scientists played either boat noise or natural reef sounds to a species from the Great Barrier Reef called the spiny chromis, both as embryos and soon after hatching.

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Scientists exposed spiny chromis embryos and newly hatched fish from the Great Barrier Reef to recordings of motorboat noise versus natural reef sounds. The study found that individuals hearing boat noise were less likely to react to a simulated predator attack, and those that did respond were more prone to swim toward the predator. These behavioral changes suggest that motorboat noise can impair predator‑escape responses in this reef species.

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