Octopuses hurl shells at each other in bizarre underwater brawl
Octopuses in general are known for being pretty antisocial. They hunt alone, fight after an encounter and sometimes even eat each other. However, food sources are locally abundant in Jervis Bay, and suitable shelter in the surrounding area is scarce. As a result, octopus populations in this area are forced to live close together.
In the new study, octopuses with darker shades threw more forcefully and were more likely to hit others, suggesting there were targeted signs of aggression rather than accidental ones.Peter Godfrey-Smith/PLOS One
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