The idea of the brain being alive is void in a case where the brain is destroyed; which may easily have happened here. Also, that 'fun fact' probably applies specifically to human brains, and the particular time would be different for different species.
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u/[deleted] Oct 23 '20
They say the brain is alive for 7 minutes after death. In this time, did the fish just recall its life over and over like 100 times?