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octopus livesNBC News
•82% Informative
A new study shows that some members of the species Octopus cyanea maraud around the seafloor in hunting groups with fish, which sometimes include several fish species at once.
Octopuses did not appear to lead the groups, but they did punch at fish to enforce social order.
Researchers tracked 13 octopuses for a month at a reef off the coast of Eilat , Israel .
Some scientists subscribe to a theory of evolution called the social brain hypothesis, which says primates and other animals evolved large brains to process social information and collaborate with others.
Octopuses were seen as a problem case because they are intelligent and yet solitary, it was assumed.
Researchers puzzled for a long time about what’s going on there.
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