Researchers Recorded Octopus Punching Fish
New footage from the South Pacific shows an octopus striking a highfin grouper during a hunt.
Updated on Oct. 14, 2026 in Aquariums
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Scientists captured video of an Octopus cyanea punching a highfin grouper in the South Pacific Ocean. The footage was recorded at Morton Bank, located 75 miles off the coast of Rotuma.
Why it matters
The aggressive behavior is hypothesized as a method to discipline fish partners during collaborative hunting. It may also serve as a strategy for the octopus to displace fish and secure better access to prey.
The recorded event took place at Morton Bank, 75 miles from Rotuma and 400 miles north of Fiji. This behavior was previously documented in a 2020 study conducted in the Red Sea, which is 1,000 miles away from the current observation site.
The players
Octopus cyanea
This species of octopus is known for engaging in interspecies hunting collaborations with various reef fish.
The details
Researchers deployed a baited remote underwater video system to the seafloor to count marine animals in the area when the interaction occurred. During the recording, the octopus was also observed attempting to strike a spotcheek emperor.
Timeline
A similar study documented this behavior in the Red Sea in 2020.
An octopus attacked a human in Western Australia in 2021.
The underwater camera footage was reported in October 2026.
Culture Shift
This observation extends the findings from the 2020 study of Octopus cyanea behavior in the Red Sea by confirming similar interactions occur in the South Pacific. The repeat of this behavior across a 15,000 km range suggests a sophisticated, persistent strategy for managing hunting partners.
While this behavior occurs in remote ocean environments, it highlights the complex intelligence of octopuses. Readers interested in marine biology may gain a better understanding of how these animals interact with their ecosystems during collaborative hunting tasks.
The takeaway
The observation of octopuses punching fish provides a rare glimpse into the complex social dynamics of marine predators. These interactions suggest that cephalopods may actively manage their environment to maximize foraging success.
Further reading
Learn more about cephalopod habits in our Aquariums section.
Source note: This article includes information reported by Economic Times.
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