Fish Fight Club Reveals Brains of Winners and Losers
By Amanda Alvarez @neuroamanda The two opponents circle each other, showing off their scaly might and impressive stripes. Suddenly one darts forward, biting the other near the dorsal fin—and the fish fight is in full swing. The biting and dodging can go on for up to 20 minutes, but this is not a fight to the death. Zebrafish fight to maintain a social hierarchy, and eventually one will concede and withdraw to the bottom of the tank while the victorious opponent circles above. These winner and loser behaviors, it turns…
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