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Sinking Aristotle’s Sailing Octopus

argonaut

A female argonaut (Argonauta argo) swimming close to the sea surface in the Sea of Japan. Photo: Julian Finn, Museum Victoria

By Julian Finn

By expertly manipulating air gathered from the sea surface, argonauts are able to control their buoyancy and traverse the world’s oceans at depth.

Dr Julian Finn is a Curator of Marine Invertebrates at Museum Victoria. This study has been published in the Proceedings of the Royal Society of London, B: Biological Sciences.

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