Science

Octopuses throw shells and sand at each other, and scientists filmed their fights

Octopuses throw shells and sand at each other, and scientists filmed their fights

With so many arms, it’s no shock that octopuses make wonderful pitchers. They will even aim at totally different octopuses with gadgets of particles from the seabed – and ship a direct hit.

For the first time, researchers seen the famously intelligent cephalopods deliberately throwing clods of sand, bits of seaweed, and even shells at each other, although they do not actually throw their palms at each other as individuals do. Pretty, they use their palms to collect the projectiles after which propel them using jets of water that motion from a siphon beneath their palms. Scientists filmed such unusual conduct of darkish octopuses (Octopus tetricus) in Jervis Bay on the southern coast of New South Wales, Australia, and described their findings Nov. 9 inside the journal PLOS One (opens in a model new tab).


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