Fish, mirrors, and a gradualist perspective on self-awareness.

Fish, mirrors, and a gradualist perspective on self-awareness.

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The mirror mark test has encouraged a binary view of self-awareness according to which a few species possess this milwaukee mnm1-600 capacity whereas others do not.Given how evolution works, however, we need a more gradualist model of the various ways in which animals construe a self and respond to mirrors.The recent 544 million super study on cleaner wrasses (Labroides dimidiatus) by Kohda and colleagues highlights this need by presenting results that, due to ambiguous behavior and the use of physically irritating marks, fall short of mirror self-recognition.The study suggests an intermediate level of mirror understanding, closer to that of monkeys than hominids.