Dead tuna refuses to accept death even after being sliced in half

Even after a fish has been filleted, gutted, and had its head removed, it’s not unusual for it to continue moving—just visit a sashimi bar that serves very fresh product. Science can explain this: It has to do with neurons within the tissue, something about it maintaining membrane potential even after death, and yada yada electric charge.
But this video from Twitter user Yutaka Suzuki is incredible: