If a fish can pass the mark test, what are the implications for consciousness and self-awareness testing in animals? | PLOS Biology
A marine fish, the cleaner wrasse, appears to perform all the appropriate behavioural responses during the mirror, or mark test. Does this mean that cleaner wrasse are self-conscious? Or that our interpretation of what the mark test means needs to be updated?
If a fish can pass the mark test, what are the implications for consciousness and self-awareness testing in animals? | PLOS Biology Article Authors Metrics Comments Media Coverage Reader Comments Figures Update 17 Feb 2022: Kohda M, Sogawa S, Jordan AL, Kubo N, Awata S, et al. (2022) Further evidence for the capacity of mirror self-recognition in cleaner fish and the significance of ecologically relevant marks. PLOS Biology 20(2): e3001529. https://doi.org/10.1371/journal.pbio.3001529 View update Figures Abstract The ability to perceive and recognise a reflected mirror image as self (mirror se
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