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Study Reveals Wrasse Fish Use Rocks as Tools

3/31/2025

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Summary

Story summary

In a groundbreaking study, researchers from Macquarie University have revealed that five species of wrasse fish in the western Atlantic are using rocks as tools to crack open hard-shelled prey. Published in Coral Reefs, this remarkable finding challenges long-held beliefs about tool use, showcasing the surprising intelligence and behavior of fish.

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Story summary

In a groundbreaking study, researchers from Macquarie University have revealed that five species of wrasse fish in the western Atlantic are using rocks as tools to crack open hard-shelled prey. Published in Coral Reefs, this remarkable finding challenges long-held beliefs about tool use, showcasing the surprising intelligence and behavior of fish.