Tentacles of venom: New study reveals all octopuses are venomous

Once thought to be only the realm of the blue-ringed octopus, researchers have now shown that all octopuses and cuttlefish, and some squid are venomous. The work indicates that they all share a common, ancient venomous ancestor and highlights new avenues for drug discovery.

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<p><a href="http://www.physorg.com/news159014369.html">Tentacles of venom: New study reveals all octopuses are venomous</a></p> <p>Once thought to be only the realm of the blue-ringed octopus, researchers have now shown that all octopuses and cuttlefish, and some squid are venomous. The work indicates that they all share a common, ancient venomous ancestor and highlights new avenues for drug discovery.</p>