An octopus will work with several different species of fish to find and catch prey - and punch those that aren't helping
. Despite generally being solitary animals, they can work with fish to find prey and recognise which team members aren’t helping.
Hunting groups that consist of a single day octopus and a number of fish, usually a mix of different species, were first described in the 1990s, says Sampaio, but it was assumed that theDuring 120 hours of diving in the Red Sea, Sampaio recorded 13 of these group hunts with a double camera set-up. His team then manually recorded the three-dimensional movements of group members in the recordings so they could be statistically analysed.
How octopuses behave is also different in packs. When a day octopus is hunting alone, it will do lots of brief web-overs in quick succession. When with fish, it does fewer web-overs, but they tend to last longer, sometimes for more than a minute. A separate study by the team showed that web-overs last longer when an octopus has caught something.
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