From Live Science:
Fish may dine underwater, but they still need to remember their manners at mealtime.
Males of a certain fish species will punish females when they misbehave while eating, a new study finds.
And the chastisement occurs even though the males are not directly affected by the female's trouble-making, indicating that these fish may exhibit a form of human social behavior known as third-party punishment, the researchers say.
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