Trending: Fish Can Recognize Themselves in Photos. Are They Self-Aware?

By David Schonauer   Tuesday February 28, 2023

Above: drawing of a cleaner wrasse

Consider this the next time you munch on fish sticks: New research suggests that cleaner wrasse—tiny, tropical reef fish—can recognize their own faces photographs and mirrors.

Researchers from Osaka Metropolitan University in Japan and the University of Neuchâtel in Switzerland published a study …

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