The world's largest invertebrate remained hidden from humanity until a tantalising glimpse 100 years ago. But it would be ...

According to Lawless, synthetic cuttlefish ink compounds could be made and distributed in water to keep sharks away from ...

Paleontologists have revealed a previously unknown vampire squid species that lived about 183 million years ago. The newly identified species, named Simoniteuthis michaelyi, was described as a ...

The chambered, or pearly, nautilus (Nautilus pompilius) is a charismatic cephalopod species known for its exceptional spiraling, chambered shell. It belongs to a family that has barely changed since ...

Ammonites were shelled cephalopods that died out about 66 million years ago. Fossils of them are found all around the world, sometimes in very large concentrations. The often tightly wound shells of ...

Some species have more than 500 million neurons, he adds—compared to around 70 million in lab mice—making cephalopods especially intriguing as models for neuroscience. Chung and his colleagues decided ...

Plus, because cephalopods aren't standard lab animals, like mice or fruit flies, they haven't been subject to nearly as much ...

Some bigger specimens been found, however. The largest so far was 1.8 metres long and weighed 5.9 kilogrammes. But this is still tiny in comparison to the biggest cephalopod species, the colossal ...