In the deep seas found at the Earth’s poles, explorers are still finding elusive and mysterious sea creatures. On an ...

Back in 2021, a test of cephalopod smarts reinforced how important it is for us humans to not underestimate animal ...

But whatever it was, it seemed as surprised to see the submersible as its operators were to find it—the squid released a small, green cloud of ink after noticing the robot visitor. Researchers ...

As more studies reveal the intelligence of cephalopods and explore their perceptions of pain, wildlife advocates have pressed regulators to do more to protect them and require that researchers ...

One way to tell the difference between a squid and an octopus: Count the arms. Find out which has more appendages, plus other distinctive characteristics.

LAUREN SIMONITIS: So honestly, there’s not terrible amounts of differences between different cephalopod inks that have been studied. While we do know a lot about cephalopod ink compared to other ...

A study by Dr. Martin Ebert and Dr. Martina Kölbl-Ebert examined the remains of some 4,200 Tharsis fossil specimens. They ...

An eye-opening experiment on cephalopods reinforces why it is so important for us to not underestimate animal intelligence. A study published in 2021 presented cuttlefish with a new version of the ...

Like many cephalopods, the common cuttlefish (Sepia officinalis) is thought to be colorblind. But it can use its excellent vision to produce a dizzying array of patterns across its body as camouflage.