Fish Punish Fish For Bad Manners

Male cleaner fish will punish females when the females misbehave at mealtime, a new study finds. Here, the cleaner fish Labroides dimidiatus cleans the larger N. nigrosis. Credit: Richard Smith.

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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