Alexandra Schnell, University of Cambridge; Andrew Crump, London School of Economics and Political Science y Jonathan Birch, London School of Economics and Political Science
Octopus, crabs, prawns demonstrate clear signs of emotion, such as pain and ‘anxiety-like’ behaviour.
In the red corner is the octopus with eight muscular, hyper-flexible arms. In the blue corner is the bird with killer vision and two sharp claws for catching prey with incredible speed and precision.
If octopuses simply started evolving a smarter brain, what stops them from ruling over humans? Why has this not happened already? An expert explains what these cephalopods might be capable of.
Some scientists say attributing ‘human-like’ qualities to animals is misleading. Others say it’s a great tool for conservation. Either way, the Netflix hit My Octopus Teacher has a positive message.
We recorded the largest number of bigfin squids ever seen in one area. Before this, this rather elongated creature had only been spotted a dozen times across the globe.
Kat Bolstad, Auckland University of Technology y Heather Braid, Auckland University of Technology
New squid research north of New Zealand nearly doubles the known cephalopod diversity in the Kermadec region, where a proposal to create one of the world’s largest marine reserves has stalled.
In May-August each year, giant Australian cuttlefish gather and mate over a narrow stretch of rocky coastline in South Australia. At their peak you see literally one cuttlefish per square metre.
The myth of a monstrous giant squid prowling the oceans has persisted for centuries but scientists have been able to reveal the truth behind the stories.