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Cleaner Wrasse Display Self-Awareness, Challenge Animal Intelligence Norms

3/1/2026

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Summary

Story summary

The study, led by Shumpei Sogawa and Masanori Kohda of Osaka Metropolitan University, shows cleaner wrasse recognize reflections and drop shrimp before a mirror to test movement.
The observed behavior suggests a level of self-awareness previously thought to be limited to dolphins.
The findings could prompt reevaluation of self-awareness across animal groups.
The results may influence fields such as animal welfare and AI research.

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Story summary

The study, led by Shumpei Sogawa and Masanori Kohda of Osaka Metropolitan University, shows cleaner wrasse recognize reflections and drop shrimp before a mirror to test movement.
The observed behavior suggests a level of self-awareness previously thought to be limited to dolphins.
The findings could prompt reevaluation of self-awareness across animal groups.
The results may influence fields such as animal welfare and AI research.