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Clownfish Shrink in Heat Wave Survival Tactic

5/22/2025

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Summary

Story summary

Clownfish in Papua New Guinea are facing a daunting challenge as rising ocean temperatures force them to shrink in size. During a scorching 2023 heat wave, 101 of 134 monitored clownfish exhibited this drastic change, likely as a survival tactic to conserve energy. While this remarkable adaptation highlights their resilience, researchers warn that the long-term consequences are still unknown.

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Story summary

Clownfish in Papua New Guinea are facing a daunting challenge as rising ocean temperatures force them to shrink in size. During a scorching 2023 heat wave, 101 of 134 monitored clownfish exhibited this drastic change, likely as a survival tactic to conserve energy. While this remarkable adaptation highlights their resilience, researchers warn that the long-term consequences are still unknown.