A ‘Self-Aware’ Fish Raises Doubts About a Cognitive Test

 A report that a fish can pass the “mirror test” for self-awareness reignites debates about how to define and measure that elusive quality.

Very few animals have ever passed the mirror test for self-recognition — even most primates fail it. The news that a fish seemed to recognize itself in one recent study has made psychologists and animal behaviorists wonder anew what (if anything) the mirror test proves.

A ‘Self-Aware’ Fish Raises Doubts About a Cognitive Test