Were giant super intelligent octopuses the top predators of the Cretaceous?
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Were giant super intelligent octopuses the top predators of the Cretaceous?
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Cretaceous oceans have long been accepted as a dangerous place full of massive mosaurs and other predators. Now some new fossils from Japan have upended this with the suggestion that the "top dog" was not any vertebrate, but instead giant octopuses that were far larger than any invertebrates alive today. This has generated a lot of Kraken related headlines (and social media posts), but is everything as it seems? This week Susie and Rob take a look at these claims and ask: were super intelligent giganto-octopuses the top predators in Cretaceous? Get your salt shaker to hand, because you mind need to take it with a pinch of salt.
This weeks paper is "Earliest octopuses were giant top predators in Cretaceous oceans" by Shin Ikegami and colleagues published in Science in April 2026 https://doi.org/10.1126/science.aea6285
Another paper mentioned is "Synchrotron data reveal nautiloid characters in Pohlsepia mazonensis, refuting a Palaeozoic origin for octobrachians" by Thomas Clements and colleagues, published in Proceedings of the Royal Society B in April 2026 https://doi.org/10.1098/rspb.2025.2369
Widescreen art by HodariNundu