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 ...

But there’s undeniably something special about cephalopods – the class of ocean-dwelling invertebrates that includes cuttlefish, squid, and octopus. Critics offer many arguments against ...

The suckers are also packed with sensory receptors that allow the octopus to taste and smell things that they touch—like combining a hand with a tongue and a nose. The researchers believe the ...

But there’s undeniably something special about cephalopods – the class of ocean-dwelling invertebrates that includes cuttlefish, squid and octopus. As researchers learn more about cehpalopods ...

But there’s undeniably something special about cephalopods – the class of ocean-dwelling invertebrates that includes cuttlefish, squid and octopus. Critics offer many arguments against raising ...

The large nerve cord that runs along each octopus arm is divided into segments, allowing for precise movement control and ...

These squid have eight arms with muscles and suckers like an octopus, plus two tentacles. The tentacles have a long stalk with no suckers, with a club at the end that does have suckers.

Octopus arms have segmented nerve systems, controlling movement and sensory input. Each segment enables independent control.

But there's undeniably something special about cephalopods – the class of ocean-dwelling invertebrates that includes cuttlefish, squid and octopus. Some of these species live alone in the nearly ...

But there's undeniably something special about cephalopods—the class of ocean-dwelling invertebrates that includes cuttlefish, squid and octopus. As researchers learn more about cehpalopods ...