Slack off at work? This octopus would punch you—just like it does fish who gest lazy

Day Octopus punches the fish who do not contribute to find prey. (Image: Eduardo Sampaio)

• Day octopus punches fish that don't help during joint hunts
• Octopus teams up with groupers and goatfish to catch prey
• Scientists say octopus uses strikes to regulate hunting partners

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Do you ever imagine there must an office running in the depths of the ocean? Fishes grabbing coffee for their boss shark, or turtles getting retire after serving sea for long period of time. These situations can be imagined but it's not entirely true. But there is something related to office that runs inside deep water.

Scientists have observed a species of octopus striking nearby fish during cooperative hunts. This happens especially when those fish fail to contribute. What looks like aggression may actually be a calculated strategy to keep the team in line.

The Day Octopus: Worst boss of the Ocean

The unlikely “boss” of this underwater drama is the day octopus (Octopus cyanea), also called the big blue or cyanea octopus. This is highly intelligent, fast-moving species found across tropical coral reefs.

Unlike many solitary hunters, this octopus is active during the day. This is famous for its sharp eyesight, rapid color-changing ability and complex decision-making skills. This is considered as one of the most intelligent invertebrates on Earth.

A team-up to hunt for food

Instead of hunting alone, the day octopus often forms temporary hunting alliances with reef fish. This is neither a friendship nor a trade. It is a survival strategy. These joint hunting actions enable each party to increase their possibilities of catching prey hiding in the crevices of the coral.

The octopus uses its flexible arms to search in tight spaces, and the fish search in the outer spaces, ensuring that the prey does not escape. This is a rare example of cooperation between two different species.

What are these fishes that assist the octopus?

The octopus is assisted by different types of reef fish, especially groupers and goatfish. Each of them plays a role in the hunting process. The groupers are good chasers and the goatfish have barbels to locate prey hiding in the sand.

But like any team, not everyone always contributes equally. Hence, this octopus punches the fish who do not contribute.

Is this “punching” necessary—or just for fun?

Scientists observed that the octopus sometimes delivers quick, targeted strikes—almost like punches toward certain fish. These strikes are not random. They are usually reserved for fish that lag behind during hunts or try to gain from the hunt without participating.

This clearly shows that the behavior is not playful but functional. The octopus seems to be adjusting or regulating the behavior of its hunting companions for maximum efficiency.

How do scientists interpret this behavior?

Scientists in the field of behavioral ecology say that this could be an instance of punishment in nature, especially between species.

What makes this behavior remarkable is that “disciplining” behavior in nature is normally exhibited by highly social species. The fact that it is exhibited by an ad hoc alliance between two species makes it remarkable and groundbreaking.