The blue-lined octopus is a creature of paradox. It’s a small yet deadly creature with enough paralyzing venom to kill a man. It’s also got a dazzling colorful display but a voracious appetite. To top ...

The coconut octopus in this video from furbabiesplus looks like a walking squirt gun. A curious Husky trying to take a closer ...

Octopuses are cephalopods, a class of sea animals that includes squid and cuttlefish, and the new research suggests that other cephalopods likely use chromosomes to determine their sex as well.

Like its close relatives, the squid and octopus, the cuttlefish is equipped with an ink sac that can help it make a last-ditch escape from predators that hunt by sight. The cuttlefish can eject ...

Not only masters of camouflage, squids may also be experts in solar power. A fascinating study has uncovered that the pigments responsible for their remarkable color shifts could play a role in ...

In humans, this triggers a fight or flight response, but other animals choose unique third options. Squids and octopus may ...

We now know ammonites are extinct cephalopod molluscs related to squids and octopuses, which lived in the seas of the Mesozoic Era between about 201 and 66 million years ago. They are preserved as ...

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 squid. Dumbo octopuses live in the deep open ...

One of Australia’s favourite dishes, salt-and-pepper squid, meets Vietnam’s favourite sandwich, with magical results. This is a great starter for a Thai-themed feast, zingy and fresh ...

Octopuses, squid, and cuttlefish are remarkable creatures, famed for their intelligence. They are invertebrates—animals without a backbone—and are much more distant from us in evolutionary terms than ...